Hex Washer Head Self-Tapping Screw

Hexagon washer head tapping screw driven with a nut setter — higher drive torque than recessed heads and an integrated washer face for HVAC, metal buildings and automotive sheet metal.

Standard: DIN 7976 / ASME B18.6.4
Equivalents: ISO 1479 (hex head)
Sizes: ST3.5 – ST6.3; #8 – #14
Lengths: 9.5 – 50 mm
Grades: Case hardened
Materials: Carbon steel C1022; Stainless 410
Thread: ST / AB tapping thread
MOQ: 500 pcs per size (negotiable for trial orders)

Finishes

Finish	Applied	Notes
Zinc plated	Our own line	Clear/blue, yellow or black passivation
Zinc-nickel	Our own line	12–15 µm, clear or black passivation; 1,000 h (12 µm) to 1,440 h (15 µm) neutral salt spray

For property class 10.9 and above, choose zinc flake, or zinc-nickel with hydrogen-embrittlement relief agreed at order stage.

Applications

HVAC ductwork
Metal buildings
Automotive sheet metal

Ordering terms

MOQ: 500 pcs per size (negotiable for trial orders)
Mixed sizes: Welcome in one order
Samples: Samples available — cost and lead time quoted per request
Lead time: 15–25 days for standard parts; finishes such as HDG or Dacromet add a few days
Payment: T/T 30% deposit, 70% before shipment
Shipping: FOB Ningbo / CIF / DDP on request
Packaging: Cartons on pallets, or private-label boxes and bags
Documents: Material certificate, coating thickness and salt-spray reports on request
Custom: Drawings, non-standard sizes, coatings, marking and private-label packaging

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Hex Washer Head Self-Tapping Screw

Features

Finishes

Applications

Ordering terms

Request a quote for Hex Washer Head Tapping Screw

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