Hot Forged Bolt for Ball Mill

Product Detail

Basic Info
  • Material:Carbon Steel

  • Type:Hexagon Head

  • Connection:Common Bolt

  • Head Style:Hexagonal

  • Standard:DIN, ANSI, GB, BSW

  • Grade:8.8

  • Application:Machinery

  • Finish:Black

  • HS Code:7318110000

Product Description
mill liner bolts and nuts

Material: Carbon steel, alloy steel

Thread rod diameter: M24-M56 / Length: 50mm-2000mm (Metric / British system)

Grade: 4.8, 5.8, 6.8, 8.8, 9.8, 10.9 class (Gr2, Gr5, Gr8)

Processing: Hot forging

Surface treatment: Plain / black oxide / electro galvanizing

Dimension: Various type including D-head bolt, square head bolt, waist type bolt and bucket type bolt etc.

Equipment: Forging dies, thread rolling machine, tapping drilling machine

Test: Hardness test, roughness test, tensile test

Accessories matching program:

(1)Liner bolt+Nut +Flat washer + Spring washer.

(2)Liner bolt+Nut+Chamfer gasket+O-shaped rubber ring.

(3)Liner bolt+Nut+Step gasket+Cylindrical-shaped rubber ring.

(4)Liner bolt+Screw cap with gasket.

(5)Liner bolt+Bowl pad+Hemp rope washer.

(6)Liner bolt+Nylon self-locking nuts.

(7)Liner bolt+Slot cap nut etc.

MaterialMid/low carbon steel / Alloy steel
SizeCustomized, mainly produce size M24-M56
Grade4.8/5.6/5.8/6.8/8.8/10.9 or Gr2,Gr5,Gr8
ProcessingHot forge + heat treatment
Testinghardness test, roughness test, tensile test
EquipmentCNC machine, automatic machine, thread rolling machine, tapping drilling machine
Surface treatmentBlack oxide
MOQ20 pieces
Packagewooden case and pallet or as per customers request
Producing abilityAbout 1500Ton/Year