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The recessed double countersunk head on the Vortex products range reduces the likelihood of shearing the head of the screw
Conforming to ISO 7379 /Â BS 4168 /Â ASME/ANSI B18
Shoulder tolerances in microns -16 / -59
The tightening torque will change
DIN 7991 SOCKET COUNTERSUNK HEAD SCREWS 10
2) M4 METRIC SOCKET HEAD CAP SCREWS 12.9 ISO 4762 / DIN 912 COARSE ZINC-BAKE CR+3 Size:M4x8 MM - (Pkg Qty: 200pcs ) The recessed double countersunk headMETRIC M4, THREAD PITCH 0. 70 SOCKET HEAD CAP SCREWS 12. 9 ISO 4762 DIN 912 COARSE ZINC BAKE CR+3 If you cannot find the required size, please get in touch as not all products are available online. Socket Head Cap Screws are also known as SHCS, Allen screw or Allen bolt, or simply a cap screw. Conforming to ISO 4762 or DIN 912, the contact surfaces of this screw or bolt are protected from external damage by Zinc Plating. Generally manufactured with a