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Flange Bolt

Flange bolts have hexagonal heads, designed to be driven by a wrench. The unique characteristic of a flange bolt is the design of the head, from which they get their name. The "flange" of the bolt is a built in (integral) washer. In Imperial sizes, this washer is serrated to act as a lock washer. Flange bolts are available in both full thread and partial thread varieties. The threading depends upon the lengths of the bolt. Partially threaded flange bolts have a shoulder, and fully threaded flange bolts are threaded to the underside of the flanged head.

PRODUCT DETAIL SIZE GRADE DIMENSION CHEMICAL & MECHANICAL FINISH
Serrated flange bolt M10, M12 GR.8.8,10.9
DIN 6921
ISO 898 PART 1
HOT DIP GALVANISED : IS 1367 PT 13 IS: 4759 BS EN: 1461, ASTM A153 ASTM A123
BLACK PHOSPHATE: IS 1367 PT 12
ELECTRO GALVANISED : IS: 1367 PT 11 , IS: 1573
PTFE COATING: ASTM D:3294