- 中文名稱:四角頭螺絲, 四角螺絲, 鍍鋅四角頭螺絲, 鍍鎳四角頭螺絲
- 依據標準:ANSI / ASME B18.6.2-1998
- 材質:低碳鋼
- 表面處理 : 染黑、鍍三價鋅、鍍三價黑鋅、鍍熱浸鍍鋅、鍍白鎳、鍍黑鎳、磷酸鹽、鍍鉻、達可銹、久美特、耐落
- 品管 : 鹽霧測試、硬度測試、拉力測試、PPAP
- 包裝 : 散裝、小盒裝、客製包裝
Unit:inch
Nominal Size or Basic Screw Diameter | F | G | H | K | S | U | W | ||||
---|---|---|---|---|---|---|---|---|---|---|---|
Width Across Flats | Width Across Coners | Head Height | Neck Reliet Diameter | Neck Reliet Fillet Radius | Neck Reliet Width | Head Radius | |||||
Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Min. | Min. | Min. | |
#10 0.1900 | 0.188 | 0.180 | 0.265 | 0.247 | 0.148 | 0.134 | 0.145 | 0.140 | 0.027 | 0.083 | 0.48 |
1/4 0.2500 | 0.250 | 0.241 | 0.354 | 0.331 | 0.196 | 0.178 | 0.185 | 0.170 | 0.032 | 0.100 | 0.62 |
5/16 0.3125 | 0.312 | 0.302 | 0.442 | 0.415 | 0.245 | 0.224 | 0.240 | 0.225 | 0.036 | 0.111 | 0.78 |
3/8 0.3750 | 0.375 | 0.362 | 0.530 | 0.497 | 0.293 | 0.270 | 0.294 | 0.279 | 0.041 | 0.125 | 0.94 |
7/16 0.4375 | 0.438 | 0.423 | 0.619 | 0.581 | 0.341 | 0.315 | 0.345 | 0.330 | 0.046 | 0.143 | 1.09 |
1/2 0.5000 | 0.500 | 0.484 | 0.707 | 0.665 | 0.389 | 0.361 | 0.400 | 0.385 | 0.050 | 0.154 | 1.25 |
9/16 0.5625 | 0.562 | 0.545 | 0.795 | 0.748 | 0.437 | 0.407 | 0.454 | 0.439 | 0.054 | 0.167 | 1.41 |
5/8 0.6250 | 0.625 | 0.606 | 0.884 | 0.833 | 0.485 | 0.452 | 0.507 | 0.492 | 0.059 | 0.182 | 1.56 |
3/4 0.7500 | 0.750 | 0.729 | 1.060 | 1.001 | 0.582 | 0.544 | 0.620 | 0.605 | 0.065 | 0.200 | 1.88 |
7/8 0.8750 | 0.875 | 0.852 | 1.237 | 1.170 | 0.678 | 0.635 | 0.731 | 0.716 | 0.072 | 0.222 | 2.19 |
1 1.0000 | 1.000 | 0.974 | 1.414 | 1.337 | 0.774 | 0.726 | 0.838 | 0.823 | 0.081 | 0.250 | 2.50 |
- 中文名稱:四角頭螺絲, 四角螺絲, 鍍鋅四角頭螺絲, 鍍鎳四角頭螺絲
- 依據標準:ANSI / ASME B18.6.2-1998
- 材質:低碳鋼
- 表面處理:染黑, 鍍鎳, 鍍鋅, 鍍三價鋅, 耐落處理
Unit:inch
Nominal Size of Basic Screw Diameter | C | P | Q | Q1 | R | Y | ||||
---|---|---|---|---|---|---|---|---|---|---|
Cup and Flat Point Diameters | Dog and Half Dog Point Diameters | Point Length | Oval Point Radius +0.0031 +0.0000 | Cone Point Angle90°±2° for These Nominal Lengths or Longer118°±2° for Shorter Screws | ||||||
Dog | Half Dog | |||||||||
Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | |||
#10 0.1900 | 0.102 | 0.088 | 0.127 | 0.120 | 0.095 | 0.085 | 0.050 | 0.040 | 0.142 | 1/4 |
1/4 0.2500 | 0.132 | 0.118 | 0.156 | 0.149 | 0.130 | 0.120 | 0.068 | 0.058 | 0.188 | 5/16 |
5/16 0.3125 | 0.172 | 0.156 | 0.203 | 0.195 | 0.161 | 0.151 | 0.083 | 0.073 | 0.234 | 3/8 |
3/8 0.3750 | 0.212 | 0.194 | 0.250 | 0.241 | 0.193 | 0.183 | 0.099 | 0.089 | 0.281 | 7/16 |
7/16 0.4375 | 0.252 | 0.232 | 0.297 | 0.287 | 0.224 | 0.214 | 0.114 | 0.104 | 0.328 | 1/2 |
1/2 0.5000 | 0.291 | 0.270 | 0.344 | 0.334 | 0.255 | 0.245 | 0.130 | 0.120 | 0.375 | 916 |
9/16 0.5625 | 0.332 | 0.309 | 0.391 | 0.379 | 0.287 | 0.275 | 0.146 | 0.134 | 0.422 | 5/8 |
5/8 0.6250 | 0.371 | 0.347 | 0.469 | 0.456 | 0.321 | 0305 | 0.164 | 0.148 | 0.469 | 3/4 |
3/4 0.7500 | 0.450 | 0.425 | 0.562 | 0.549 | 0.383 | 0.367 | 0.196 | 0.180 | 0.562 | 7/8 |
7/8 0.8750 | 0.530 | 0.502 | 0.656 | 0.642 | 0.446 | 0.430 | 0.227 | 0.211 | 0.656 | 1 |
1 1.0000 | 0.609 | 0.579 | 0.750 | 0.734 | 0.510 | 0.490 | 0.260 | 0.240 | 0.750 | 1-1/8 |