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內六角凹端緊定螺釘 [Type F] (ASTM F912 / F880) ASME B 18.3 (T14 CUP-F) - 2012

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10#

1/4

5/16

3/8

7/16

1/2

5/8

3/4

尺寸單位: inch

美標ASME B18.3 (T14 CUP-F) - 2012 ASME18.3 內六角凹端緊定螺釘 [Type F] (ASTM F912 / F880)

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ASME B 18.3 (T14 CUP-F) - 2012 內六角凹端緊定螺釘 [Type F] (ASTM F912 / F880)

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公差美制螺紋極限尺寸米/英制螺紋對照螺紋直徑與受力截面積最小破壞扭矩牌號等級

螺紋尺寸
d

d	螺紋直徑
PP	粗牙/UNC
	細牙/UNF
	超細牙/UNEF
s	公稱
t ^③	最小值
d_z	最大值
d_z	最小值
L₀ ^②
t₁	最大值
t₁	最小值

0.0600	0.0730	0.0860	0.0990	0.1120	0.1250	0.1380	0.1640
-	64.0	56.0	48.0	40.0	40.0	32.0	32.0
80.0	72.0	64.0	56.0	48.0	44.0	40.0	36.0
-	-	-	-	-	-	-	-
0.028	0.035	0.035	0.050	0.050	0.062	0.062	0.078
0.050	0.060	0.060	0.070	0.070	0.080	0.080	0.090
0.027	0.035	0.043	0.051	0.059	0.068	0.074	0.090
0.022	0.030	0.038	0.046	0.054	0.063	0.068	0.084
0.13	0.13	0.13	0.19	0.19	0.19	0.19	0.19
0.007	0.008	0.010	0.011	0.013	0.014	0.017	0.021
0.004	0.005	0.007	0.007	0.008	0.009	0.012	0.016

螺紋尺寸
d

10#

1/4

5/16

3/8

7/16

1/2

5/8

3/4

d	螺紋直徑
PP	粗牙/UNC
	細牙/UNF
	超細牙/UNEF
s	公稱
t ^③	最小值
d_z	最大值
d_z	最小值
L₀ ^②
t₁	最大值
t₁	最小值

0.1900	0.2500	0.3125	0.3750	0.4375	0.5000	0.6250	0.7500
24.0	20.0	18.0	16.0	14.0	13.0	11.0	10.0
32.0	28.0	24.0	24.0	20.0	20.0	18.0	16.0
-	32.0	32.0	32.0	28.0	28.0	24.0	20.0
0.094	0.125	0.156	0.188	0.219	0.250	0.312	0.375
0.100	0.125	0.156	0.188	0.219	0.250	0.312	0.375
0.101	0.156	0.190	0.241	0.286	0.333	0.425	0.523
0.095	0.150	0.185	0.236	0.281	0.328	0.420	0.518
0.19	0.25	0.31	0.38	0.44	0.5	0.63	0.75
0.024	0.027	0.038	0.041	0.047	0.054	0.067	0.081
0.019	0.022	0.033	0.036	0.042	0.049	0.062	0.076

①,材料
a、合金鋼應符合ASTM F912
b、不銹鋼應符合ASTM F880
②,當螺釘長度L小于等于表中L0時為短螺釘，若L大于L0則為長螺釘。
③,表中的內凹槽插入深度t適用于公稱長度L大于等于表中L0的螺釘，其他情況詳見標準原件。
④,表中規定的短螺釘在進行緊固時，往往發生因內板擰插入深度不夠或螺紋長度不甚理想，而出現的扳擰或螺紋配合上的故障。所以特別提示生產者和用戶，在可能的情況下，都應盡可能采用長度大于等于表中L0的螺釘。

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內六角凹端緊定螺釘 [Type C] (ASTM F912 / F880)

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ASME B 18.3 (T14 CUP-F) - 2012

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引用參考 (14)

GB /T 3 - 1997

普通螺紋收尾、肩距、退刀槽和倒角 (ISO 3508:1976 / ISO 4755:1983)

GB /T 3098.25 - 2020

緊固件機械性能不銹鋼和鎳合金緊固件選用指南

緊固件 - 螺栓、螺釘和螺柱 - 公稱長度和螺紋長度 (ISO 888:2012, MOD)

GB /T 193 - 2003

普通螺紋（一般用途米制螺紋）- 直徑與螺距系列 (ISO 261: 1998, MOD)

鍍鋅、鍍鎳、鍍鎘、復合鍍等層鍍層鹽霧腐蝕的防護性能

GB /T 5779.1 - 2000

緊固件表面缺陷 - 螺栓、螺釘和螺柱 - 一般要求

GB /T 5779.3 - 2000

緊固件表面缺陷 - 螺栓、螺釘和螺柱 - 特殊要求

螺栓、螺釘和螺柱性能等級及常用牌號及近似牌號（按GB/T3098.1-2010相關規定選擇）非合金鋼和低合金鋼和鑄鋼的硬度值轉換表

注：技術數據僅供參考，請以官方原件為準！

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28	[美標] ASME B 18.3 (T14 CUP-C) - 2012	內六角凹端緊定螺釘 [Type C] (ASTM F912 / F880) Hexagon Socket Set Screws with Cup Point [Type C] (ASTM F912 / F880)
29	[美標] ASME B 18.3 (T14 CUP-D) - 2012	內六角凹端緊定螺釘 [Type D] (ASTM F912 / F880) Hexagon Socket Set Screws with Cup Point [Type D] (ASTM F912 / F880)
30	[美標] ASME B 18.3 (T14 CUP-E) - 2012	內六角凹端緊定螺釘 [Type E] (ASTM F912 / F880) Hexagon Socket Set Screws with Cup Point [Type E] (ASTM F912 / F880)
31	[美標] ASME B 18.3 (T14 CUP-G) - 2012	內六角凹端緊定螺釘 [Type G] (ASTM F912 / F880) Hexagon Socket Set Screws with Cup Point [Type G] (ASTM F912 / F880)

標準編號 / Standard Code： ASME B 18.3 (T14 CUP-F) - 2012
中文名稱 / Chinese Name： 內六角凹端緊定螺釘 [Type F] (ASTM F912 / F880)
英文名稱 / English Name： Hexagon Socket Set Screws with Cup Point [Type F] (ASTM F912 / F880)
數據來源 / Data Source： 易緊通 YJT Fastener Database（164580.com）
中文頁面 / Chinese Page： 查看中文頁面
English Page： View English Page

Data Source: YJT Fastener Database (164580.com)
Standard: ASME B 18.3 (T14 CUP-F) - 2012
Chinese Name: 內六角凹端緊定螺釘 [Type F] (ASTM F912 / F880)
English Name: Hexagon Socket Set Screws with Cup Point [Type F] (ASTM F912 / F880)
Chinese URL: Chinese Source Page
English URL: English Source Page
License: Commercial reuse, redistribution, or AI training usage requires authorization.