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• Thread conforming to DIN912/ISO7380 standard
• Hexagonal wrench/Allen key required This hex shoulder screw has various thread sizes and lengths See data sheet and product summary download file for details
• Metric 12.9 hole shoulder screw
• This hex shoulder screw has a small cylindrical head that is vertically long.　This perforated screw is ideal when a wrench cannot reach.　It is vertically long and has the advantage of saving space.　Our company RS Pro metric threaded shoulder screws with holes are made of 12.9 grade black (material color) steel.
• Features and Benefits: High Safety, Reliability, Cost Effectiveness Typical Applications: Automotive Manufacturing and Repair Machinery Tools Machinery Production Repair and General Engineering Home Construction