{"id":5849,"date":"2025-12-25T03:25:27","date_gmt":"2025-12-25T03:25:27","guid":{"rendered":"https:\/\/korea-transmission.com\/?p=5849"},"modified":"2025-12-25T03:26:30","modified_gmt":"2025-12-25T03:26:30","slug":"din-7991-countersunk-hex-socket-screws-specs-torque","status":"publish","type":"post","link":"https:\/\/korea-transmission.com\/zh\/blog\/din-7991-countersunk-hex-socket-screws-specs-torque\/","title":{"rendered":"DIN 7991 \u6c89\u5934\u5185\u516d\u89d2\u87ba\u9489\u89c4\u683c\u53ca\u626d\u77e9"},"content":{"rendered":"
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\u4ecb\u7ecd<\/h2>\n

DIN 7991 \u6807\u51c6\u89c4\u5b9a\u4e86\u5185\u516d\u89d2\u6c89\u5934\u87ba\u9489\uff0c\u4e5f\u79f0\u4e3a\u5e73\u5934\u5185\u516d\u89d2\u87ba\u9489\u3002\u8fd9\u7c7b\u7d27\u56fa\u4ef6\u91c7\u7528 90 \u5ea6\u9525\u5f62\u5934\u90e8\uff0c\u4e0e\u914d\u5408\u90e8\u4ef6\u8868\u9762\u9f50\u5e73\u6216\u4f4e\u4e8e\u8868\u9762\uff0c\u5f62\u6210\u7b80\u6d01\u7684\u7a7a\u6c14\u52a8\u529b\u5b66\u5916\u5f62\uff0c\u975e\u5e38\u9002\u5408\u9700\u8981\u6700\u5927\u9650\u5ea6\u51cf\u5c11\u7a81\u51fa\u7269\u7684\u5e94\u7528\u3002\u5185\u516d\u89d2\u9a71\u52a8\u65e0\u9700\u5916\u90e8\u6273\u624b\u5373\u53ef\u5b9e\u73b0\u9ad8\u626d\u77e9\u4f20\u9012\uff0c\u4ece\u800c\u589e\u5f3a\u5b89\u5168\u6027\u5e76\u964d\u4f4e\u7be1\u6539\u98ce\u9669\u3002<\/p>\n

\u8fd9\u4e9b\u87ba\u9489\u56e0\u5176\u80fd\u591f\u5728\u72ed\u5c0f\u7a7a\u95f4\u5185\u63d0\u4f9b\u7262\u56fa\u53ef\u9760\u7684\u8fde\u63a5\uff0c\u800c\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u673a\u68b0\u5de5\u7a0b\u3001\u822a\u7a7a\u822a\u5929\u3001\u6c7d\u8f66\u548c\u6a21\u5177\u5236\u9020\u7b49\u884c\u4e1a\u3002\u5b83\u4eec\u91c7\u7528\u51b7\u953b\u548c\u87ba\u7eb9\u52a0\u5de5\u5de5\u827a\u5236\u9020\uff0c\u786e\u4fdd\u4e86\u9ad8\u7cbe\u5ea6\u548c\u4e00\u81f4\u6027\u3002\u672c\u6307\u5357\u8be6\u7ec6\u4ecb\u7ecd\u4e86\u6807\u51c6\u5c3a\u5bf8\u3001\u6750\u6599\u6210\u5206\u3001\u673a\u68b0\u6027\u80fd\u548c\u626d\u77e9\u5efa\u8bae\uff0c\u5e76\u53c2\u8003\u4e86 DIN 7991 \u548c\u76f8\u5173 ISO \u6807\u51c6\uff08\u4f8b\u5982 ISO 10642\uff09\uff0c\u65e8\u5728\u5e2e\u52a9\u5de5\u7a0b\u5e08\u8fdb\u884c\u9009\u578b\u3001\u5b89\u88c5\u548c\u8d28\u91cf\u4fdd\u8bc1\u3002<\/p>\n

\u4e86\u89e3\u8fd9\u4e9b\u89c4\u683c\u5bf9\u4e8e\u786e\u4fdd\u7ed3\u6784\u5b8c\u6574\u6027\u81f3\u5173\u91cd\u8981\uff0c\u56e0\u4e3a\u5c3a\u5bf8\u6216\u626d\u77e9\u4e0d\u5f53\u4f1a\u5bfc\u81f4\u63a5\u5934\u5728\u8d1f\u8f7d\u4e0b\u5931\u6548\u3002\u6750\u6599\u7b49\u7ea7\u3001\u87ba\u7eb9\u95f4\u8ddd\u548c\u8868\u9762\u5149\u6d01\u5ea6\u7b49\u56e0\u7d20\u90fd\u4f1a\u5f71\u54cd\u6027\u80fd\uff0c\u800c\u9075\u5b88\u6807\u51c6\u53ef\u4ee5\u6700\u5927\u9650\u5ea6\u5730\u964d\u4f4e\u5173\u952e\u7ec4\u4ef6\u7684\u98ce\u9669\u3002<\/p>\n

\u5c3a\u5bf8\u548c\u89c4\u683c<\/h2>\n

DIN 7991 \u6807\u51c6\u89c4\u5b9a\u4e86\u6c89\u5934\u5185\u516d\u89d2\u87ba\u9489\u7684\u7cbe\u786e\u5c3a\u5bf8\u516c\u5dee\uff0c\u4ee5\u786e\u4fdd\u4e92\u6362\u6027\u548c\u914d\u5408\u6027\u3002\u5173\u952e\u53c2\u6570\u5305\u62ec\u516c\u79f0\u76f4\u5f84 (d)\u3001\u87ba\u8ddd (p)\u3001\u5934\u90e8\u76f4\u5f84 (dk)\u3001\u5934\u90e8\u9ad8\u5ea6 (k)\u3001\u5185\u516d\u89d2\u5c3a\u5bf8 (s) \u548c\u6c89\u5934\u89d2\u5ea6\uff08\u901a\u5e38\u4e3a 90\u00b0-92\u00b0\uff09\u3002\u87ba\u9489\u957f\u5ea6\u4ece\u77ed\u5230\u957f\u4e0d\u7b49\uff0c\u5e76\u63d0\u4f9b\u5168\u87ba\u7eb9\u548c\u90e8\u5206\u87ba\u7eb9\u4e24\u79cd\u9009\u62e9\u3002\u4e0b\u8868\u603b\u7ed3\u4e86\u57fa\u4e8e\u7ecf\u9a8c\u8bc1\u7684 DIN 7991 \u6570\u636e\u7684 M3 \u81f3 M24 \u5c3a\u5bf8\u7684\u6807\u51c6\u5c3a\u5bf8\u3002\u8bf7\u6ce8\u610f\uff0c\u5bf9\u4e8e M22 \u548c M24 \u7b49\u8f83\u5927\u5c3a\u5bf8\uff0c\u6c89\u5934\u89d2\u5ea6\u4ecd\u4e3a 90\u00b0-92\u00b0\uff0c\u8fd9\u53ef\u4ee5\u7ea0\u6b63\u4efb\u4f55\u6765\u81ea\u975e\u6807\u51c6\u6765\u6e90\u7684\u6f5c\u5728\u8bef\u89e3\u3002<\/p>\n

\u8fd9\u4e9b\u5c3a\u5bf8\u4fbf\u4e8e\u9f50\u5e73\u5b89\u88c5\uff0c\u5934\u90e8\u5b8c\u5168\u5d4c\u5165\u6c89\u5934\u5b54\u4e2d\u3002\u5de5\u7a0b\u5e08\u5e94\u6838\u5b9e\u6c89\u5934\u5b54\u76f4\u5f84\u662f\u5426\u4e0e dk max \u503c\u76f8\u7b26\uff0c\u4ee5\u907f\u514d\u95f4\u9699\u6216\u5e72\u6d89\u3002\u9664\u975e\u53e6\u6709\u89c4\u5b9a\uff0c\u516c\u5dee\u4e3a 10.9 \u7ea7\u6216\u540c\u7b49\u6807\u51c6\u3002<\/p>\n

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\n
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<\/div>\n<\/div>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u516c\u79f0\u76f4\u5f84 d<\/th>\nM3<\/th>\nM4<\/th>\nM5<\/th>\nM6<\/th>\nM8<\/th>\nM10<\/th>\nM12<\/th>\nM14<\/th>\nM16<\/th>\nM18<\/th>\nM20<\/th>\nM22<\/th>\nM24<\/th>\n<\/tr>\n
\u97f3\u8c03 p<\/th>\n0.5<\/td>\n0.7<\/td>\n0.8<\/td>\n1<\/td>\n1.25<\/td>\n1.5<\/td>\n1.75<\/td>\n2<\/td>\n2<\/td>\n2.5<\/td>\n2.5<\/td>\n2.5<\/td>\n3<\/td>\n<\/tr>\n
\u957f\u5ea6\u8303\u56f4 l<\/th>\n8-40<\/td>\n8-40<\/td>\n10-60<\/td>\n12-60<\/td>\n16-100<\/td>\n20-100<\/td>\n25-100<\/td>\n25-100<\/td>\n30-100<\/td>\n30-100<\/td>\n30-100<\/td>\n35-100<\/td>\n35-100<\/td>\n<\/tr>\n
\u5934\u90e8\u76f4\u5f84 dk<\/th>\n\u6700\u5927\u9650\u5ea6<\/th>\n6<\/td>\n8<\/td>\n10<\/td>\n12<\/td>\n16<\/td>\n20<\/td>\n24<\/td>\n27<\/td>\n30<\/td>\n33<\/td>\n36<\/td>\n36<\/td>\n39<\/td>\n<\/tr>\n
\u6700\u5c0f<\/th>\n5.7<\/td>\n7.64<\/td>\n9.64<\/td>\n11.57<\/td>\n15.57<\/td>\n19.48<\/td>\n23.48<\/td>\n26.48<\/td>\n29.48<\/td>\n32.38<\/td>\n35.38<\/td>\n35.38<\/td>\n38.38<\/td>\n<\/tr>\n
\u63d2\u5ea7\u5c3a\u5bf8<\/th>\n\u540d\u4e49\u4e0a\u7684<\/th>\n2<\/td>\n2.5<\/td>\n3<\/td>\n4<\/td>\n5<\/td>\n6<\/td>\n8<\/td>\n10<\/td>\n10<\/td>\n12<\/td>\n12<\/td>\n14<\/td>\n14<\/td>\n<\/tr>\n
\u6700\u5927\u9650\u5ea6<\/th>\n2.1<\/td>\n2.6<\/td>\n3.1<\/td>\n4.12<\/td>\n5.14<\/td>\n6.14<\/td>\n8.175<\/td>\n10.175<\/td>\n10.175<\/td>\n12.212<\/td>\n12.212<\/td>\n14.212<\/td>\n14.212<\/td>\n<\/tr>\n
\u6700\u5c0f<\/th>\n2.02<\/td>\n2.52<\/td>\n3.02<\/td>\n4.02<\/td>\n5.02<\/td>\n6.02<\/td>\n8.025<\/td>\n10.025<\/td>\n10.025<\/td>\n12.032<\/td>\n12.032<\/td>\n14.032<\/td>\n14.032<\/td>\n<\/tr>\n
\u5934\u90e8\u9ad8\u5ea6<\/th>\n\u6700\u5927\u9650\u5ea6<\/th>\n1.2<\/td>\n1.8<\/td>\n2.3<\/td>\n2.5<\/td>\n3.5<\/td>\n4.4<\/td>\n4.6<\/td>\n4.8<\/td>\n5.3<\/td>\n5.5<\/td>\n5.9<\/td>\n8.8<\/td>\n10.3<\/td>\n<\/tr>\n
\u6700\u5c0f<\/th>\n0.95<\/td>\n1.55<\/td>\n2.05<\/td>\n2.25<\/td>\n3.2<\/td>\n4.1<\/td>\n4.3<\/td>\n4.5<\/td>\n5<\/td>\n5.2<\/td>\n5.6<\/td>\n8.44<\/td>\n9.87<\/td>\n<\/tr>\n
\u6c89\u5934\u89d2\u03b1<\/th>\n\u6700\u5927\u9650\u5ea6<\/th>\n92\u00b0<\/td>\n92\u00b0<\/td>\n<\/tr>\n
\u6700\u5c0f<\/th>\n90\u00b0<\/td>\n90\u00b0<\/td>\n<\/tr>\n<\/thead>\n<\/table>\n
<\/div>\n<\/div>\n<\/div>\n<\/div>\n

\u6709\u5173\u5b8c\u6574\u89c4\u683c\uff0c\u5305\u62ec\u87ba\u7eb9\u957f\u5ea6\u548c\u516c\u5dee\uff0c\u8bf7\u53c2\u9605 DIN 7991 \u6216 ISO 10642\u3002\u8bf7\u6ce8\u610f\uff0c\u957f\u5ea6\u662f\u4ece\u5934\u90e8\u9876\u90e8\u5230\u5c16\u7aef\u6d4b\u91cf\u7684\uff0c\u8f83\u77ed\u957f\u5ea6\u7684\u6807\u51c6\u914d\u7f6e\u4e3a\u5168\u87ba\u7eb9\u3002<\/p>\n

\u6750\u6599\u548c\u5316\u5b66\u6210\u5206<\/h2>\n

DIN 7991\u87ba\u9489\u901a\u5e38\u91c7\u7528\u8010\u8150\u8680\u7684\u4e0d\u9508\u94a2\u6216\u9ad8\u5f3a\u5ea6\u7684\u5408\u91d1\u94a2\u5236\u6210\u3002\u5e38\u7528\u6750\u6599\u5305\u62ecA2\uff08SUS304\uff09\u548cA4\uff08SUS316\uff09\u4e0d\u9508\u94a2\uff0c\u5b83\u4eec\u5728\u6076\u52a3\u73af\u5883\u4e0b\u5177\u6709\u51fa\u8272\u7684\u8010\u4e45\u6027\u3002\u5176\u5316\u5b66\u6210\u5206\u786e\u4fdd\u4e86\u6297\u62c9\u5f3a\u5ea6\u548c\u786c\u5ea6\u7b49\u673a\u68b0\u6027\u80fd\u7684\u4fdd\u6301\u3002<\/p>\n

\u4e0d\u9508\u94a2\u5177\u6709\u975e\u78c1\u6027\u548c\u6297\u6c27\u5316\u6027\uff0c\u56e0\u6b64\u9002\u7528\u4e8e\u98df\u54c1\u52a0\u5de5\u3001\u8239\u8236\u548c\u533b\u7597\u5e94\u7528\u3002\u5408\u91d1\u94a2\uff08\u901a\u5e38\u4e3a8.8\u300110.9\u621612.9\u7ea7\uff09\u7ecf\u8fc7\u70ed\u5904\u7406\uff0c\u4ee5\u63d0\u9ad8\u5176\u5728\u7ed3\u6784\u5e94\u7528\u4e2d\u7684\u5f3a\u5ea6\u3002\u9ed1\u8272\u6c27\u5316\u6216\u9540\u950c\u7b49\u8868\u9762\u5904\u7406\u53ef\u8fdb\u4e00\u6b65\u589e\u5f3a\u5176\u8010\u78e8\u6027\u3002<\/p>\n

\n
\n
\n
<\/div>\n<\/div>\n
\n\n\n\n\n\n\n\n
\u6750\u6599<\/th>\n\u5316\u5b66\u6210\u5206\uff08%\uff09<\/th>\n<\/tr>\n
C<\/th>\n\u9530<\/th>\n\u7845<\/th>\nP<\/th>\nS<\/th>\n\u5c3c<\/th>\n\u83ab<\/th>\nCr<\/th>\n<\/tr>\n<\/thead>\n
SUS304\uff08A2\uff09<\/td>\n\u22640.08<\/td>\n\u22642.00<\/td>\n\u22641.00<\/td>\n\u22640.045<\/td>\n\u22640.03<\/td>\n8.00-11.00<\/td>\n–<\/td>\n17.00-19.00<\/td>\n<\/tr>\n
SUS316\uff08A4\uff09<\/td>\n\u22640.08<\/td>\n\u22642.00<\/td>\n\u22641.00<\/td>\n\u22640.045<\/td>\n\u22640.03<\/td>\n10.00-14.00<\/td>\n2.00-3.00<\/td>\n16.00-18.00<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
<\/div>\n<\/div>\n<\/div>\n<\/div>\n

\u5bf9\u4e8e\u78b3\u94a2\u9009\u9879\uff0c\u6210\u5206\u56e0\u724c\u53f7\u800c\u5f02\uff08\u4f8b\u5982\uff0c10.9\uff1aC 0.20-0.55%\uff0cMn 0.40-0.90%\uff09\u3002\u6839\u636e\u73af\u5883\u6761\u4ef6\u9009\u62e9\uff1bA4 \u724c\u53f7\u9002\u7528\u4e8e\u6d77\u6d0b\u73af\u5883\uff0c\u56e0\u4e3a\u5176\u94bc\u542b\u91cf\u53ef\u589e\u5f3a\u6297\u70b9\u8680\u6027\u80fd\u3002<\/p>\n

\u673a\u68b0\u6027\u80fd<\/h2>\n

DIN 7991\u87ba\u9489\u7684\u673a\u68b0\u6027\u80fd\u6839\u636eISO 3506\uff08\u4e0d\u9508\u94a2\uff09\u548cISO 898\uff08\u78b3\u94a2\uff09\u6807\u51c6\u8fdb\u884c\u5206\u7c7b\u3002\u4e0d\u9508\u94a2\u724c\u53f7A2-50\u3001A2-70\u548cA4-80\u7684\u6297\u62c9\u5f3a\u5ea6\u4e3a500\u81f3800 MPa\uff0c\u5c48\u670d\u5f3a\u5ea6\u4e3a210\u81f3450 MPa\u3002\u8fd9\u4e9b\u6027\u80fd\u786e\u4fdd\u4e86\u87ba\u9489\u5177\u6709\u826f\u597d\u7684\u5ef6\u5c55\u6027\u4ee5\u589e\u5f3a\u6297\u632f\u6027\u80fd\uff0c\u540c\u65f6\u53c8\u5177\u5907\u8db3\u591f\u7684\u786c\u5ea6\uff08HV 150-300\uff09\u4ee5\u4fdd\u8bc1\u9a71\u52a8\u5b8c\u6574\u6027\u3002<\/p>\n

8.8\u300110.9 \u548c 12.9 \u7ea7\u78b3\u94a2\u5177\u6709\u66f4\u9ad8\u7684\u5f3a\u5ea6\uff08\u6297\u62c9\u5f3a\u5ea6 800-1200 MPa\uff09\uff0c\u662f\u627f\u8f7d\u5e94\u7528\u7684\u7406\u60f3\u9009\u62e9\u3002\u5176\u6027\u80fd\u5305\u62ec\u6700\u5c0f\u5ef6\u4f38\u7387 12% \u548c\u9002\u7528\u4e8e\u4f4e\u6e29\u73af\u5883\u7684\u51b2\u51fb\u97e7\u6027\u3002\u7ecf DIN EN ISO 6892-1 \u6807\u51c6\u6d4b\u8bd5\uff0c\u8868\u9762\u786c\u5ea6\u5f97\u5230\u63a7\u5236\uff0c\u4ee5\u9632\u6b62\u9540\u5c42\u87ba\u9489\u53d1\u751f\u6c22\u8106\u3002<\/p>\n

\u5173\u952e\u6307\u5bfc\u539f\u5219\uff1a\u6839\u636e\u5e94\u7528\u5e94\u529b\u9009\u62e9\u5408\u9002\u7684\u6027\u80fd\u7b49\u7ea7\uff1bA4-80\u9002\u7528\u4e8e\u9ad8\u5f3a\u5ea6\u8150\u8680\u6027\u73af\u5883\u3002\u5728\u5faa\u73af\u8f7d\u8377\u5de5\u51b5\u4e0b\uff0c\u5efa\u8bae\u5b9a\u671f\u68c0\u67e5\u75b2\u52b3\u88c2\u7eb9\u3002<\/p>\n

\u626d\u77e9\u6807\u51c6<\/h2>\n

DIN 7991\u87ba\u9489\u7684\u626d\u77e9\u503c\u53ef\u786e\u4fdd\u6b63\u786e\u5939\u7d27\uff0c\u907f\u514d\u6ed1\u4e1d\u6216\u5934\u90e8\u635f\u574f\u3002\u5bf9\u4e8e\u4e0d\u9508\u94a2\u724c\u53f7\uff0c\u89c4\u5b9a\u4e86\u6700\u5c0f\u65ad\u88c2\u626d\u77e9\uff08\u5355\u4f4d\u4e3a\u725b\u7c73\uff0c\u4e3a\u4fdd\u8bc1\u7cbe\u5ea6\uff0c\u5df2\u7531\u5343\u514b\u529b\u00b7\u5398\u7c73\u6362\u7b97\u4e3a\u725b\u7c73\uff1a1\u5343\u514b\u529b\u00b7\u5398\u7c73 \u2248 0.098\u725b\u7c73\uff09\u3002\u8fd9\u4e9b\u626d\u77e9\u503c\u662f\u6839\u636eDIN EN ISO 3506-1\u6807\u51c6\u8fdb\u884c\u7684\u7834\u574f\u6027\u8bd5\u9a8c\uff0c\u8868\u660e\u87ba\u9489\u5728\u626d\u8f6c\u4f5c\u7528\u4e0b\u5931\u6548\u65f6\u7684\u626d\u77e9\u3002<\/p>\n

\u5b89\u88c5\u65f6\uff0c\u4f7f\u7528 70-80% \u7684\u65ad\u88c2\u626d\u77e9\u4f5c\u4e3a\u5bc6\u5c01\u626d\u77e9\u503c\uff0c\u5e76\u6839\u636e\u6da6\u6ed1\u60c5\u51b5\u8fdb\u884c\u8c03\u6574\uff08\u5149\u9762\u63a5\u5934 \u03bc=0.125\uff0c\u9540\u5c42\u63a5\u5934 \u03bc=0.094\uff09\u3002\u901a\u8fc7 VDI 2230 \u8fdb\u884c\u9884\u7d27\u529b\u8ba1\u7b97\u53ef\u786e\u4fdd\u63a5\u5934\u7684\u5b89\u5168\u6027\u3002\u4e0b\u8868\u5217\u51fa\u4e86\u6839\u636e\u6807\u51c6\u6570\u636e\u9a8c\u8bc1\u7684\u6700\u5c0f\u65ad\u88c2\u626d\u77e9\u3002<\/p>\n

\n
\n
\n
<\/div>\n<\/div>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u7ebf<\/th>\n\u8d22\u4ea7\u7c7b\u522b<\/th>\n<\/tr>\n
A2-50<\/th>\nA2-70<\/th>\nA4-80<\/th>\n<\/tr>\n
\u6700\u5c0f\u5236\u52a8\u626d\u77e9\uff08\u725b\u7c73\uff09<\/th>\n<\/tr>\n<\/thead>\n
M1.6<\/td>\n0.15<\/td>\n0.2<\/td>\n0.24<\/td>\n<\/tr>\n
M2<\/td>\n0.3<\/td>\n0.4<\/td>\n0.48<\/td>\n<\/tr>\n
M2.5<\/td>\n0.6<\/td>\n0.9<\/td>\n0.96<\/td>\n<\/tr>\n
M3<\/td>\n1.1<\/td>\n1.6<\/td>\n1.8<\/td>\n<\/tr>\n
M4<\/td>\n2.7<\/td>\n3.8<\/td>\n4.3<\/td>\n<\/tr>\n
M5<\/td>\n5.5<\/td>\n7.8<\/td>\n8.8<\/td>\n<\/tr>\n
M6<\/td>\n9.3<\/td>\n13<\/td>\n15<\/td>\n<\/tr>\n
M8<\/td>\n23<\/td>\n32<\/td>\n37<\/td>\n<\/tr>\n
M10<\/td>\n46<\/td>\n65<\/td>\n74<\/td>\n<\/tr>\n
M12<\/td>\n80<\/td>\n110<\/td>\n130<\/td>\n<\/tr>\n
M16<\/td>\n210<\/td>\n290<\/td>\n330<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
<\/div>\n<\/div>\n<\/div>\n<\/div>\n

\u5bf9\u4e8e\u78b3\u94a2\uff0c10.9 \u7ea7\u63a8\u8350\u62e7\u7d27\u626d\u77e9\uff08MA\uff0c\u5355\u4f4d\u4e3a\u725b\u7c73\uff09\u8f83\u9ad8\uff1aM3=1.4\uff0cM4=3.4\uff0cM5=6.8\uff0cM6=11\uff0cM8=28\uff0cM10=55\uff0c\u4ee5\u6b64\u7c7b\u63a8\uff0c\u7b26\u5408 ISO 898-1 \u6807\u51c6\u3002\u4f7f\u7528\u7cbe\u5ea6\u4e3a \u00b14% \u7684\u626d\u77e9\u6273\u624b\uff0c\u5e76\u8003\u8651\u6469\u64e6\u7cfb\u6570\u4ee5\u83b7\u5f97\u7cbe\u786e\u7684\u9884\u7d27\u529b\u3002<\/p>\n

\u5236\u9020\u5de5\u827a<\/h2>\n

DIN 7991\u87ba\u9489\u7684\u751f\u4ea7\u901a\u5e38\u91c7\u7528\u591a\u5de5\u4f4d\u51b7\u9566\u673a\uff0c\u4e00\u6b21\u6216\u4e24\u6b21\u9566\u9566\u5373\u53ef\u5f62\u6210\u9525\u5f62\u5934\u548c\u5185\u516d\u89d2\u3002\u8be5\u5de5\u827a\u53ef\u786e\u4fdd\u6750\u6599\u5229\u7528\u7387\u9ad8\uff0c\u51e0\u4f55\u5f62\u72b6\u7cbe\u786e\u3002\u540e\u7eed\u7684\u87ba\u7eb9\u52a0\u5de5\u5219\u91c7\u7528\u81ea\u52a8\u6eda\u4e1d\u673a\uff0c\u5f62\u6210\u5747\u5300\u4e14\u6bdb\u523a\u6781\u5c11\u7684\u87ba\u7eb9\u3002<\/p>\n

\u5408\u91d1\u94a2\u7684\u70ed\u5904\u7406\u5305\u62ec\u6dec\u706b\u548c\u56de\u706b\uff0c\u4ee5\u8fbe\u5230\u6240\u9700\u7684\u786c\u5ea6\uff08\u4f8b\u5982\uff0c10.9\u7ea7\u5408\u91d1\u94a2\u7684\u786c\u5ea6\u4e3a39-44 HRC\uff09\u3002\u4e0d\u9508\u94a2\u5219\u9700\u8fdb\u884c\u9000\u706b\u5904\u7406\u4ee5\u63d0\u9ad8\u5176\u52a0\u5de5\u6027\u80fd\u3002\u8d28\u91cf\u63a7\u5236\u5305\u62ec\u6309\u7167DIN EN ISO 4759\u6807\u51c6\u8fdb\u884c\u5c3a\u5bf8\u68c0\u9a8c\uff0c\u4ee5\u53ca\u6309\u7167\u901a\u6b62\u89c4\u8fdb\u884c\u87ba\u7eb9\u6d4b\u91cf\u3002\u8868\u9762\u5904\u7406\uff0c\u4f8b\u5982\u4e0d\u9508\u94a2\u7684\u949d\u5316\u5904\u7406\u6216\u78b3\u94a2\u7684\u7535\u9540\u5904\u7406\uff0c\u53ef\u4ee5\u63d0\u9ad8\u5176\u8010\u8150\u8680\u6027\u3002<\/p>\n

\u5148\u8fdb\u5236\u9020\u5de5\u827a\u91c7\u7528\u6570\u63a7\u673a\u5e8a\u52a0\u5de5\u5b9a\u5236\u957f\u5ea6\u548c\u975e\u6807\u5c3a\u5bf8\u7684\u7d27\u56fa\u4ef6\uff0c\u5e76\u901a\u8fc7\u6279\u53f7\u786e\u4fdd\u53ef\u8ffd\u6eaf\u6027\u3002\u8be5\u5de5\u827a\u751f\u4ea7\u7684\u7d27\u56fa\u4ef6\u6027\u80fd\u7a33\u5b9a\uff0c\u964d\u4f4e\u4e86\u88c5\u914d\u8fc7\u7a0b\u4e2d\u7684\u53d8\u5f02\u6027\u3002<\/p>\n

\u5e94\u7528\u7a0b\u5e8f<\/h2>\n

DIN 7991\u87ba\u9489\u5728\u9700\u8981\u9f50\u5e73\u8868\u9762\u7684\u573a\u5408\u8868\u73b0\u5353\u8d8a\uff0c\u4f8b\u5982\u98de\u673a\u9762\u677f\u3001\u6c7d\u8f66\u5e95\u76d8\u548c\u7cbe\u5bc6\u6a21\u5177\u3002\u5728\u9ad8\u901f\u94c1\u8def\u4e2d\uff0c\u5b83\u4eec\u80fd\u591f\u7262\u56fa\u5730\u56fa\u5b9a\u90e8\u4ef6\uff0c\u4e14\u4e0d\u4f1a\u4ea7\u751f\u7a7a\u6c14\u963b\u529b\u3002\u673a\u68b0\u7ec4\u4ef6\u53d7\u76ca\u4e8e\u5176\u9ad8\u626d\u77e9\u5bb9\u91cf\uff0c\u800c\u7535\u5b50\u8bbe\u5907\u5219\u5c06\u5176\u7528\u4e8e\u7535\u78c1\u5e72\u6270\u5c4f\u853d\u5916\u58f3\u3002<\/p>\n

\u9009\u578b\u5efa\u8bae\uff1a\u6f6e\u6e7f\u73af\u5883\u4f7f\u7528 A4 \u7ea7\u87ba\u9489\uff1b\u9ad8\u5e94\u529b\u8fde\u63a5\u5904\u4f7f\u7528 12.9 \u7ea7\u87ba\u9489\u3002\u914d\u5408\u7b26\u5408 DIN 74 \u6807\u51c6\u7684\u6c89\u5934\u5b54\uff0c\u53ef\u5b9e\u73b0\u6700\u4f73\u914d\u5408\u3002\u5728\u6613\u632f\u52a8\u533a\u57df\uff0c\u5e94\u6d82\u62b9\u87ba\u7eb9\u9501\u56fa\u5242\u4ee5\u4fdd\u6301\u9884\u7d27\u529b\u3002\u8fd9\u4e9b\u5e94\u7528\u51f8\u663e\u4e86\u87ba\u9489\u5728\u5b9e\u73b0\u7262\u56fa\u3001\u7f8e\u89c2\u7684\u7d27\u56fa\u65b9\u9762\u7684\u591a\u529f\u80fd\u6027\u3002<\/p>\n

\u5e38\u89c1\u95ee\u9898\u89e3\u7b54 (FAQ)<\/h2>\n
\n
DIN 7991\u87ba\u9489\u7684\u6807\u51c6\u6c89\u5934\u89d2\u5ea6\u662f\u591a\u5c11\uff1f<\/dt>\n
M3 \u81f3 M24 \u6240\u6709\u5c3a\u5bf8\u7684\u6c89\u5934\u89d2\u5ea6\u6700\u5c0f\u4e3a 90\u00b0\uff0c\u6700\u5927\u4e3a 92\u00b0\uff0c\u786e\u4fdd\u5728\u5339\u914d\u7684\u5b54\u4e2d\u6b63\u786e\u5c31\u4f4d\uff0c\u4e0d\u4f1a\u7a81\u51fa\u3002<\/dd>\n<\/dl>\n
\n
\u5982\u4f55\u9009\u62e9\u5408\u9002\u7684\u6750\u6599\u7b49\u7ea7\uff1f<\/dt>\n
\u5bf9\u4e8e\u4e00\u822c\u8010\u8150\u8680\u73af\u5883\uff0c\u8bf7\u9009\u62e9 A2-70 \u94a2\uff1b\u5bf9\u4e8e\u6d77\u6d0b\u6216\u9178\u6027\u73af\u5883\uff0c\u7531\u4e8e\u542b\u6709\u94bc\u5143\u7d20\uff0c\u8bf7\u9009\u62e9 A4-80 \u94a2\u3002\u5bf9\u4e8e\u9ad8\u5f3a\u5ea6\u9700\u6c42\uff0c\u8bf7\u9009\u62e9\u5e26\u6709\u4fdd\u62a4\u6d82\u5c42\u7684 10.9 \u6216 12.9 \u7ea7\u78b3\u94a2\u3002<\/dd>\n<\/dl>\n
\n
\u5b89\u88c5\u65f6\u5e94\u8be5\u4f7f\u7528\u591a\u5927\u7684\u626d\u77e9\uff1f<\/dt>\n
\u4f7f\u7528\u6700\u5c0f\u65ad\u88c2\u626d\u77e9\uff0870-80%\uff09\uff0c\u5e76\u6839\u636e\u6469\u64e6\u529b\u8fdb\u884c\u8c03\u6574\u3002\u4f8b\u5982\uff0cM6 A2-70\uff1a\u5b89\u88c5\u626d\u77e9\u4e3a 9-10 Nm\u3002\u52a1\u5fc5\u6821\u51c6\u5de5\u5177\u5e76\u8003\u8651\u6da6\u6ed1\u3002<\/dd>\n<\/dl>\n
\n
\u8fd9\u4e9b\u87ba\u4e1d\u9002\u7528\u4e8e\u9ad8\u632f\u52a8\u73af\u5883\u5417\uff1f<\/dt>\n
\u662f\u7684\uff0c\u5b83\u4eec\u91c7\u7528\u87ba\u7eb9\u9501\u56fa\u5242\u6216\u9884\u7d27\u626d\u77e9\u8bbe\u8ba1\u3002\u5176\u5185\u90e8\u9a71\u52a8\u548c\u9f50\u5e73\u8bbe\u8ba1\u964d\u4f4e\u4e86\u5728\u673a\u68b0\u6216\u8f66\u8f86\u7b49\u52a8\u6001\u8f7d\u8377\u4e0b\u7684\u677e\u52a8\u98ce\u9669\u3002<\/dd>\n<\/dl>\n
\n
\u5236\u9020\u8fc7\u7a0b\u5982\u4f55\u5f71\u54cd\u8d28\u91cf\uff1f<\/dt>\n
\u51b7\u9566\u5de5\u827a\u53ef\u786e\u4fdd\u5934\u90e8\u6210\u5f62\u7cbe\u51c6\uff1b\u87ba\u7eb9\u52a0\u5de5\u4e0d\u5f53\u4f1a\u5bfc\u81f4\u5e94\u529b\u96c6\u4e2d\u3002\u52a1\u5fc5\u9009\u62e9\u901a\u8fc7\u8ba4\u8bc1\u5e76\u7b26\u5408 DIN EN ISO 9001 \u6807\u51c6\u7684\u5236\u9020\u5546\uff0c\u4ee5\u786e\u4fdd\u5c3a\u5bf8\u548c\u5f3a\u5ea6\u7684\u4e00\u81f4\u6027\u3002<\/dd>\n<\/dl>\n
\n
DIN 7991\u87ba\u9489\u53ef\u4ee5\u7528\u4e8e\u975e\u91d1\u5c5e\u6750\u6599\u5417\uff1f<\/dt>\n
\u662f\u7684\uff0c\u5728\u590d\u5408\u6750\u6599\u6216\u5851\u6599\u4e2d\uff0c\u4f7f\u7528\u5408\u9002\u7684\u5d4c\u4ef6\u662f\u53ef\u4ee5\u7684\uff0c\u4f46\u9700\u9a8c\u8bc1\u5176\u517c\u5bb9\u6027\u4ee5\u907f\u514d\u538b\u788e\u3002\u53ef\u80fd\u9700\u8981\u964d\u4f4e\u626d\u77e9\u503c\u4ee5\u9632\u6b62\u6750\u6599\u635f\u574f\u3002<\/dd>\n<\/dl>\n<\/div>","protected":false},"excerpt":{"rendered":"

Introduction DIN 7991 specifies countersunk head cap screws with hexagon socket drives, commonly known as flat head hex socket screws. These fasteners feature a 90-degree conical head that sits flush with or below the surface of the mated part, providing a clean, aerodynamic profile ideal for applications where protrusion must be minimized. The internal hex […]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[220],"tags":[],"class_list":["post-5849","post","type-post","status-publish","format-standard","hentry","category-technical-documentation-and-references"],"_links":{"self":[{"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/posts\/5849","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/comments?post=5849"}],"version-history":[{"count":2,"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/posts\/5849\/revisions"}],"predecessor-version":[{"id":5851,"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/posts\/5849\/revisions\/5851"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/media?parent=5849"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/categories?post=5849"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/tags?post=5849"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}