ZNiBolt
Plow Bolt – representative photo

Representative photo. Finish, head marking and packaging follow your order.

Carriage & Plow Bolts

Plow Bolt (Countersunk Square Neck, DIN 608 type)

Plow bolts have an 80°/90° countersunk head with a square neck that sits flush in cutting edges, grader blades, bucket teeth and wear plates, so the head does not wear away. Supplied in heat-treated Grade 5 and Grade 8 (metric 8.8 / 10.9) with matching heavy hex or flange nuts.

Standard
DIN 608 / ASME B18.9
Equivalents
No. 3 / No. 4 head plow bolts
Sizes
3/8" – 1"; M10 – M24
Lengths
1" – 5"
Grades
Grade 5, Grade 8, 8.8, 10.9
Materials
Medium carbon / boron steel, quenched and tempered
Thread
UNC 2A or metric coarse
MOQ
500 pcs per size (negotiable for trial orders)
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Features

  • Flush countersunk head resists wear
  • Square neck locks in wear part
  • Heat-treated to Grade 8 / 10.9

Finishes

FinishAppliedNotes
Black oxide / phosphateAvailableIndoor or oiled service
Zinc platedOur own lineClear/blue, yellow or black passivation
Zinc-nickelOur own line12–15 µm, clear or black passivation; 1,000 h (12 µm) to 1,440 h (15 µm) neutral salt spray
PlainAvailableFor customer-side coating

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

Applications

  • Grader blades and cutting edges
  • Bucket teeth and wear plates
  • Snow plough blades

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

Plow Bolt FAQ

Do you supply plow bolts with nuts?
Yes, with heavy hex nuts or flange nuts in the same grade and finish.

Request a quote for Plow Bolt

Tell us size, grade, finish and quantity. We reply with price and lead time within 24 hours.

We reply within 24 hours (China time). Your details are used only to answer this inquiry.

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