英制內六角螺絲
- 中文名稱:英制內六角螺絲, WT內六角螺絲, 英制NC內六角螺絲,英制NF內六角螺絲, 白鐵內六角螺絲
- 依據標準:ASME B18.3-2002
- 材質:合金鋼 SCM435、不鏽鋼304
- 硬度:HRC 39~45
- 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
- 螺紋種類:ANSI B1.1 UNC, UNF
- 螺紋等級:#6 至 1"(含)- -3A,1"以上 - -2A
- 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 | D | A | H | J | T | F | LT | ||||
---|---|---|---|---|---|---|---|---|---|---|---|
Body Diameter | Head Diameter | Head Height | Hexagon Socket Size | Key Engagement | Fillet Transition Diameter | Thread Length Basic. | |||||
Max. | Min. | Max. | Min. | Max. | Min. | Nom. | Min. | Max. | Min. | ||
#6 0.1380 | 0.1380 | 0.1329 | 0.226 | 0.218 | 0.138 | 0.134 | 7/64 0.109 | 0.064 | 0.158 | 0.144 | 0.75 |
#8 0.1640 | 0.1640 | 0.1585 | 0.270 | 0.262 | 0.164 | 0.159 | 9/64 0.141 | 0.077 | 0.188 | 0.172 | 0.88 |
#10 0.1900 | 0.1900 | 0.1840 | 0.312 | 0.303 | 0.190 | 0.185 | 5/32 0.156 | 0.090 | 0.218 | 0.202 | 0.88 |
1/4 0.2500 | 0.2500 | 0.2435 | 0.375 | 0.365 | 0.250 | 0.244 | 3/16 0.188 | 0.120 | 0.278 | 0.261 | 1.00 |
5/16 0.3125 | 0.3125 | 0.3053 | 0.469 | 0.457 | 0.312 | 0.306 | 1/4 0.250 | 0.151 | 0.347 | 0.329 | 1.12 |
3/8 0.3750 | 0.3750 | 0.3678 | 0.562 | 0.550 | 0.375 | 0.368 | 5/16 0.312 | 0.182 | 0.415 | 0.397 | 1.25 |
7/16 0.4375 | 0.4375 | 0.4294 | 0.656 | 0.642 | 0.438 | 0.430 | 3/8 0.375 | 0.213 | 0.484 | 0.465 | 1.38 |
1/2 0.5000 | 0.5000 | 0.4919 | 0.75 | 0.735 | 0.500 | 0.492 | 3/8 0.375 | 0.245 | 0.552 | 0.531 | 1.50 |
5/8 0.6250 | 0.6250 | 0.6163 | 0.938 | 0.921 | 0.625 | 0.616 | 1/2 0.500 | 0.307 | 0.689 | 0.664 | 1.75 |
3/4 0.7500 | 0.7500 | 0.7406 | 1.125 | 1.107 | 0.750 | 0.740 | 5/8 0.625 | 0.370 | 0.828 | 0.800 | 2.00 |
7/8 0.8750 | 0.8750 | 0.8647 | 1.312 | 1.293 | 0.875 | 0.864 | 3/4 0.750 | 0.432 | 0.963 | 0.932 | 2.25 |
1 1.0000 | 1.0000 | 0.9886 | 1.500 | 1.479 | 1.000 | 0.988 | 3/4 0.750 | 0.495 | 1.100 | 1.068 | 2.50 |