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內鍵槽圓柱頭螺釘 ASME/ANSI B 18.3 - 2003

選擇規格尺寸點擊↓

10#

1/4

5/16

3/8

7/16

1/2

5/8

3/4

7/8

尺寸單位: inch

美標ASME/ANSI B18.3 - 2003 ASME/ANSI18.3 1 內鍵槽圓柱頭螺釘

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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

公稱長度L 注:選擇后獲得 螺紋長度

螺紋規格
d

10#

d	螺紋直徑
PP	粗牙/UNC
	細牙/UNF
	超細牙/UNEF
d_s	最大值=公稱
d_s	最小值
d_k	最大值
d_k	最小值
k	最大值
k	最小值
A	公稱尺寸
t	最小值
b	最小值

0.060	0.073	0.086	0.099	0.112	0.125	0.138	0.164	0.190
-	64.0	56.0	48.0	40.0	40.0	32.0	32.0	24.0
80.0	72.0	64.0	56.0	48.0	44.0	40.0	36.0	32.0
-	-	-	-	-	-	-	-	-
0.060	0.073	0.086	0.099	0.112	0.125	0.138	0.164	0.190
0.0568	0.0695	0.0822	0.0949	0.1075	0.1202	0.1329	0.1585	0.1840
0.096	0.118	0.140	0.161	0.183	0.205	0.226	0.270	0.312
0.091	0.112	0.134	0.154	0.176	0.198	0.218	0.262	0.303
0.060	0.073	0.086	0.099	0.112	0.125	0.138	0.164	0.190
0.057	0.070	0.083	0.095	0.108	0.121	0.134	0.159	0.185
0.060	0.072	0.096	0.096	0.111	0.111	0.133	0.168	0.183
0.025	0.031	0.038	0.044	0.051	0.057	0.064	0.077	0.090
0.50	0.62	0.62	0.62	0.75	0.75	0.75	0.88	0.88

螺紋長度b

螺紋規格
d

1/4

5/16

3/8

7/16

1/2

5/8

3/4

7/8

d	螺紋直徑
PP	粗牙/UNC
	細牙/UNF
	超細牙/UNEF
d_s	最大值=公稱
d_s	最小值
d_k	最大值
d_k	最小值
k	最大值
k	最小值
A	公稱尺寸
t	最小值
b	最小值

0.250	0.313	0.375	0.438	0.500	0.625	0.750	0.875	1.000
20.0	18.0	16.0	14.0	13.0	11.0	10.0	9.0	8.0
28.0	24.0	24.0	20.0	20.0	18.0	16.0	14.0	12.0
32.0	32.0	32.0	28.0	28.0	24.0	20.0	20.0	20.0
0.250	0.313	0.375	0.438	0.500	0.625	0.750	0.875	1.000
0.2435	0.3053	0.3678	0.4294	0.4919	0.6163	0.7406	0.8647	0.9886
0.375	0.469	0.562	0.656	0.750	0.938	1.125	1.312	1.500
0.365	0.457	0.550	0.642	0.735	0.921	1.107	1.293	1.479
0.250	0.312	0.375	0.438	0.500	0.625	0.750	0.875	1.000
0.244	0.306	0.368	0.430	0.492	0.616	0.740	0.864	0.988
0.216	0.291	0.372	0.454	0.454	0.595	0.620	0.698	0.790
0.120	0.151	0.182	0.213	0.245	0.307	0.370	0.432	0.495
1.00	1.12	1.25	1.38	1.50	1.75	2.00	2.25	2.50

螺紋長度b

工藝相關

ASME B 18.3 (Table 4) - 2012

內凹槽螺釘無螺紋桿長和夾緊長度 [Table 4]

引用參考

GB /T 1172 - 1999

黑色金屬硬度及強度換算值

GB /T 5267.1 - 2002

鍍鋅、鍍鎳、鍍鎘、復合鍍等層鍍層鹽霧腐蝕的防護性能

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)

GB /T 3106 - 2016

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 3 - 1997

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

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

注：技術數據僅供參考，請以官方原件為準！

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內鍵槽圓柱頭螺釘 ASME/ANSI B 18.3 - 2003

工藝相關

引用參考