开槽扁圆头螺钉 (ASTM F837, F468) ASME B 18.6.3 (H7A) - 2024
| 选择规格尺寸 点击↓ 0000# 000# 00# 0# 1# 2# 3# 4# 5# 6# 8# 10# 12# 1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4 |
尺寸单位:
inch |
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| ①,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。 ②,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 。 |
长度公差
Machine screws can be made to any length, but they are generally produced in fractional length increments of 1/16 in. for screws up to 5/8 in. long, 1/8 in. for screws over 5/8 in. through 1-1/2 in. long, and 1/4 in. for screws over 1-1/2 in. long.
标称螺钉尺寸的长度公差 | |||
标称螺钉长度 | 螺纹规格 | ||
0000~00 | 0~12 | 1/4~3/4 | |
≤1/2 | -0.01 | -0.02 | -0.03 |
＞1/2,≤1 | -0.02 | -0.03 | -0.03 |
＞1,≤2 | / | -0.06 | -0.06 |
＞2 | / | -0.09 | -0.09 |
类似标准及供货信息
| 1 |
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[国标] GB 947 - 1988 |
开槽球面大圆柱头螺钉 Slotted Large Raised Cheese Head Screws 供应商(1) |
| 2 |
|
[日标] JIS B 1101 (JA6) - 2017 |
开槽大扁头螺钉 附表JA.6 Slotted Truss Head Screws - Table JA.6 |
| 3 |
|
[日标] JIS B 1101 (AAT4) - 1996 |
开槽大扁头螺钉 附表4 [Annex Attached Table 4] Slotted Truss Head Screws [Annex Attached Table 4] |
| 4 |
|
[日标] JIS B 1119 (1R) - 1986 |
眼镜框架用 - 开槽扁头螺钉 Spectacle Frames - Slotted Round Head Screws |
| 5 |
|
[美标] ASME/ANSI B 18.6.3 - 2010 |
开槽大扁头螺钉Table24 Slotted truss head machine screws |
| 6 |
|
[法国] NF F 03-005 (CR) - 1983 |
铁路车辆 扁圆头侧切口机械螺钉 Railway rolling stock Grade A notched dome head machine screws |
| 7 |
|
[英标] BS 450 - 1958 |
英制开槽大扁头螺钉 - B.S.W. & B.S.F. 螺纹 [Table 8] Slotted Mushroom Head Screws with B.S.W. & B.S.F. Threads [Table 8] 供应商(1) |
| 8 |
|
[澳标] AS /NZS 1427 - 1996 |
米制开槽大扁头螺钉 [Table 5] ISO metric slotted mushroom head screws [Table 5] |
| 9 |
|
[台湾] CNS 9672 - 1988 |
有槽蕈形头小螺钉 Slotted Mushroom Head Machine Screws |
| 10 |
|
[军标] GJB 3371 (/45~/47) - 1998 |
开槽扁圆头螺栓 Mushroom Head Screws |
| 11 |
|
[军标] GJB 3371 (/66) - 1998 |
扁圆头锥端螺栓 Mushroom Head Screws With Cone Point |
| 12 |
|
[军标] GJB 3372 (/32~/35) - 1998 |
扁圆头螺钉 开槽 Slotted Truss Head Screws |
| 13 |
|
[美标] ASME B 18.6.3 (T24) - 2013 |
开槽扁圆头螺钉 [Table 24] (ASTM F837, F468) Slotted Truss Head Screws [Table 24] (ASTM F837, F468) |
| 14 |
|
[航天] QJ 2387 - 1992 |
开槽大扁头螺钉 Slotted large flat head screws 供应商(1) |