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.
| Material | Mid/low carbon steel / Alloy steel |
| Size | Customized, mainly produce size M24-M56 |
| Grade | 4.8/5.6/5.8/6.8/8.8/10.9 or Gr2,Gr5,Gr8 |
| Processing | Hot forge + heat treatment |
| Standard | ASTM/DIN/GB |
| Testing | hardness test, roughness test, tensile test |
| Equipment | CNC machine, automatic machine, thread rolling machine, tapping drilling machine |
| Surface treatment | Black oxide |
| MOQ | 20 pieces |
| Package | wooden case and pallet or as per customers request |
| Producing ability | About 1500Ton/Year
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B-osla parts Co. Ltd. Focuses on supplying abrasion resistant parts including grinding ball, mill liner bolts and accessories, rubber liner and related products which are widely used in power plant, mining and cement industries.
