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CHEMITOOL FASTENERS Hexagonal Screw UNF 1/4X3.1/4 ANSI B18.2.1 Plain-UNF Hexagon Screw 1/4X3.1/4 ANSI B18.2.1.
From A to Z, the CHEMITOOL FASTENERS offers a full range of innovate solutions - since tuning washers to cylindrical pins, from DIN 1 to DIN 82101, with sizes from M1x2 to M72x600.