Hexagon Socket Head Cap Screw ASME 18.3, plain steel alloy, UNC (comparable with ISO metric thread)
ASME B18.3 steel alloy plain UNC
SCR-HX-SOC-ALLOY-5/16_18X1 1/2
Register now and access more than 125,000 products
1 INCH (in) = 25, 4 mm
The alloy strength class is comparable with metric strength class 12.9
Socket screws to ASME B 18.3 do not have the strength class marked on the head since, according to ASTM 574, they have only one strength class.
Standard thread tolerance according to ASME B1.1 = 3A (for external thread)
Datasheets(X)
Nominal diameter (d1) | 5/16 in |
Length (l1) | 1-1/2 in |
Head diameter | 0.469 in |
Head height | 0.312 in |
Internal drive (s1) | HS1/4 inch |
Material | Alloy |
Surface | Plain |
Number of thread starts per inch | 18 |
Last viewed
O-ring, imperial NBR 70
Multigrade compressor oil Pro
Hex head screw with shank ISO 4014, steel 8.8, zinc-plated, blue passivated (A2K)
1/4 inch socket wrench insert, metric short
1/2-inch impact socket wrench insert For hexagon socket screws, metric, long
Window repair kit, assortment 136 pieces in system case
Twist drill bit assortment HSCo DIN 338 MFD Speed Most Wanted
Hexagonal bolt, imperial, UNC
Hot air blower HLG 2000 COMPACT
Compressor K 290