DIN 938 / DIN 939 Tap-End Stud

Double-end studs with a metal (tap) end screwed into a housing and a nut end: DIN 938 (metal end ≈ 1 × d, for steel) and DIN 939 (≈ 1.25 × d, for cast iron).

Standard: DIN 938 / DIN 939
Equivalents: DIN 940 (2d, aluminium)
Sizes: M6 – M30
Lengths: 20 – 200 mm
Grades: 5.6, 8.8, 10.9
Materials: Carbon steel; Alloy steel
Thread: Metric coarse; interference fit metal end on request
MOQ: 500 pcs per size (negotiable for trial orders)

Finishes

Finish	Applied	Notes
Black oxide / phosphate	Available	Indoor or oiled service
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

Engine blocks and gearbox housings
Pumps and compressors
Flanged machinery

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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DIN 938 / DIN 939 Tap-End Stud

Features

Finishes

Applications

Ordering terms

Request a quote for DIN 938/939 Tap-End Stud

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