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①,其他凹槽型式请点击标题下方的“采用标准” ②,螺杆直径ds应不小于2A级螺纹最小中径,并不大于公称(基本)螺纹大径。 ③,机械螺钉的螺纹长度: 1)螺纹规格≤5#: 公称长度≤3倍公称直径的应为满扣产品,头下螺纹肩距≤1倍螺距。 公称长度>3倍公称直径到 1-1/8 in 的,允许头下肩距最大不超过2倍螺距。 若无其他规定,长螺钉的最小螺纹长度为1 in 。 2)螺纹规格≥6#: 公称长度≤3倍公称直径的应为满扣产品,头下螺纹肩距≤1倍螺距。 公称长度>3倍公称直径到 2 in 的,允许头下螺纹肩距最大不超过2倍螺距。 若无其他规定,长螺钉最小螺纹长度为 1.5 in 。 |
1 | [美标] ASME/ANSI B 18.6.3 (T40) - 2013 |
AB型和ABR型自攻螺纹和末端 [Table 40] Dimensions of Threads and Points for Type AB and Type ABR Thread-forming Screws |
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2 | [美标] ASME/ANSI B 18.6.3 (T41) - 2013 |
B型 BP型自攻螺钉螺纹和末端 [Table 41] Dimensions of Threads and Points for Type B and BP Thread-Forming Tapping Screws |
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3 | [美标] ASME/ANSI B 18.6.3 (T42) - 2013 |
A型自攻螺钉螺纹和末端 [Table 42] Dimensions of Threads and Points for Type A Thread-Forming Tapping Screws |
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4 | [美标] ASME/ANSI B 18.6.3 (T43) - 2013 |
BF型 BT型 自切自攻螺钉螺纹和末端 [Table 43] Dimensions of Threads and Points for Types BF and BT Thread-Cutting Tapping Screws |
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5 | [美标] ASME/ANSI B 18.6.3 (T44) - 2013 |
D, F, G, T 型自攻螺钉 螺纹和末端 [Table 44] Dimensions of Threads and Points for Type D, F, G, and T Thread-Cutting Tapping Screws |
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6 | [美标] ASME/ANSI B 18.6.3 (T45) - 2013 |
自挤自攻【TRS型】螺纹和末端 [Table 45] Dimensions of Type TRS Tapping Screws |
类似标准及供货信息
7 | [日标] JIS B 1101 (JA8) - 2017 |
开槽圆头螺钉 附表JA.8 Slotted Round Head Screws - Table JA.8 |
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8 | [日标] JIS B 1101 (AAT6) - 1996 |
开槽圆头螺钉 附表6 [Annex Attached Table 6] Slotted Round Head Screws [Annex Attached Table 6] |
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9 | [美标] ASME/ANSI B 18.6.2 - 1998 (R2010) |
开槽圆头螺钉 [Table 2] (A307, SAE J429, F468, F593) Slotted Round Head Cap Screws [Table 2] (A307, SAE J429, F468, F593) |
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10 | [英标] BS 450 - 1958 |
英制开槽圆头螺钉 - B.S.W. & B.S.F. 螺纹 [Table 4] Slotted Round Head Screws with B.S.W. & B.S.F. Threads [Table 4] |
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11 | [台湾] CNS 9671 - 1988 |
开槽圆头螺钉 Slotted Pan Head Screws |
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12 | [军标] GJB 3372 (/25~/31) - 1998 |
半圆头螺钉 开槽 Slotted Round Head Screws |
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13 | [军标] GJB 3372 (/53) - 1998 |
半圆头不脱出螺钉 Slotted Round Head Screws With Waisted Shank |
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14 | [美标] ASME B 18.6.3 (H11A) - 2024 |
开槽圆头螺钉 (ASTM F837, F468) Slotted Round Head Screws (ASTM F837, F468) |
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15 | [美标] ASME B 18.6.3 (H12A) - 2024 |
开槽圆头凸缘(带垫、带介)螺钉 (ASTM F837, F468) Slotted Round Washer Head Screws (ASTM F837, F468) |
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16 | [美标] ASME B 18.6.3 (T38) - 2013 |
开槽圆头凸缘(带垫、带介)螺钉 [Table 38] (ASTM F837, F468) Slotted Round Washer Head Screws [Table 38] (ASTM F837, F468) |
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17 | [航天] QJ 2369 - 1992 |
开槽圆头螺钉 Slotted round Head Screws |
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18 | [航天] QJ 2386 - 1992 |
开槽圆头螺钉 Slotted round head screws |