Countersunk head screw ASME 18.3, plain steel alloy, UNC (comparable with ISO metric thread)
ASME B18.3 steel alloy plain UNC
SCR-FLT-SOC-ALLOY-1/4_20X3/4
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1 INCH (in) = 25.4 mm
The "alloy" strength class is comparable with the metric strength class 12.9
The hexagon socket screws according to ASME B 18.3 have no strength class designation on the head as they only have one strength class according to the ASTM F835 mechanical properties.
Datasheets(X)
 | |
Nominal diameter | 1/4 in |
Length | 0.75 in |
Head diameter | 0.531 in |
Head height | 0.161 in |
Internal drive | HS5/32 inch |
Material | Alloy |
Surface | Plain |
Number of thread starts per inch | 20 |
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