UNC Socket Button Head Screw Grade-12.9 B18.3
d | d | a max | a min | h max | h min | s | j nom | y min | f max | f min |
---|---|---|---|---|---|---|---|---|---|---|
No.0 | 0.0600 | 0.1140 | 0.1040 | 0.0320 | 0.0260 | 0.0100 | 0.0350 | 0.0200 | 0.0100 | 0.0050 |
No.1 | 0.0730 | 0.1390 | 0.1290 | 0.0390 | 0.0330 | 0.0100 | 0.0500 | 0.0280 | 0.0100 | 0.0050 |
No.2 | 0.0860 | 0.1640 | 0.1540 | 0.0460 | 0.0380 | 0.0100 | 0.0500 | 0.0280 | 0.0100 | 0.0050 |
No.3 | 0.0990 | 0.1880 | 0.1760 | 0.0520 | 0.0440 | 0.0100 | 1/16" | 0.0350 | 0.0100 | 0.0050 |
No.4 | 0.1120 | 0.2130 | 0.2010 | 0.0590 | 0.0510 | 0.0150 | 1/16" | 0.0350 | 0.0100 | 0.0050 |
No.5 | 0.1250 | 0.2380 | 0.2260 | 0.0660 | 0.0580 | 0.0150 | 5/64" | 0.0440 | 0.0100 | 0.0050 |
No.6 | 0.1380 | 0.2620 | 0.2500 | 0.0730 | 0.0630 | 0.0150 | 5/64" | 0.0440 | 0.0100 | 0.0050 |
No.8 | 0.1640 | 0.3120 | 0.2980 | 0.0870 | 0.0770 | 0.0150 | 3/32" | 0.0520 | 0.0150 | 0.0100 |
No.10 | 0.1900 | 0.3610 | 0.3470 | 0.1010 | 0.0910 | 0.0200 | 1/8" | 0.0700 | 0.0150 | 0.0100 |
1/4" | 0.2500 | 0.4370 | 0.4190 | 0.1320 | 0.1220 | 0.0310 | 5/32" | 0.0870 | 0.0200 | 0.0150 |
5/16" | 0.3125 | 0.5470 | 0.5270 | 0.1660 | 0.1520 | 0.0310 | 3/16" | 0.1050 | 0.0200 | 0.0150 |
3/8" | 0.3750 | 0.6560 | 0.6360 | 0.1990 | 0.1850 | 0.0310 | 7/32" | 0.1220 | 0.0200 | 0.0150 |
1/2" | 0.5000 | 0.8750 | 0.8510 | 0.2650 | 0.2450 | 0.0460 | 5/16" | 0.1750 | 0.0300 | 0.0200 |
5/8" | 0.6250 | 1.0000 | 0.9700 | 0.3310 | 0.3110 | 0.0620 | 3/8" | 0.2100 | 0.0300 | 0.0200 |
Weight | 0.0000 |
---|---|
Material | Grade-12.9 |
Standard Number | B18.3 |
Second Standard | BS2470 |
Drive | Hexagonsocket |
Head | Buttoncap |
American Generic Brand Term | ALLEN |
Diameter | No.0,No.1,No.2,No.3,No.4,No.5,No.6,No.8,No.10,1/4",5/16",3/8",1/2",5/8" |
Length | 1/8"3/16",1/4",5/16",3/8",1/2",5/8",3/4",7/8",1.",1.1/8",1.1/4",1.3/8",1.1/2",1.5/8",1.3/4",2.",2.1/4",2.3/8",2.1/2",2.3/4",3.",3.1/4",3.1/2",3.3/4",4.",4.1/4",4.1/2",4.3/4",5." |