M3 X .5 METRIC SOCKET HEAD CAPSCREWM3 X .5 METRIC SOCKET HEAD CAPSCREW 79008,100 PER BOX,35MM LENGTH UNDER HEAD, USES 2.5 HEX KEY 3MM Basic Thread Diameter, .5MM Pitch, 35MM Length Under Head, 5.5MM-5.32MM Head Diameter, 3MM-2.89MM Head Height, 2.5MM Hex Socket Key Size. These Class 12.9 socket head cap screws are made of high grade alloy steel. Hardened by quenching in oil from the hardening temperature and tempered to a specified hardness range of 39 to 44 Rockwell "C". To determine the pitch for metric fasteners you measure the distance from each thread in millimeters, not threads per inch as done in fractional measurements. Tensile Strengths for all Class 12.9 fasteners are 1200 N/mm which are Newton Millimeters. This equates to appro. 174,000 PSI, since 1 N/mm equates to 145 PSI. Made to ASME B18.3.1M & ASTM A574M Standards. Specials, stainless steel and fractional sizes are all available! p;S salesperson for details!
Fasteners & Hardware Military Fasteners Military Socket Head Cap Screws - KERRSHCSM3X.5X35 - M3 X .5 METRIC SOCKET HEAD CAPSCREW
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