Brass,copper, bronze dowel, pin, roller, needle, rod, bar, customized shape and size availble
Size customizaiton available
Diameter from 0.50mm to 30mm,
Lenght from 2.00mm to 300mm,
Quality Grade: G5, also according to client's require, by drawing or sample
Brand: KN STEEL BALL
Price: depend on roller size, quality grade, material, quantity.
Material: H59 brass
Grade H59 brass H59-1 copper, H59-1 copper tube
Copper Cu57.0-60.0
Standard GB/T 5231-2012
Sample size thickness 0.5-15
Tensile strength σ b ≥ 294MPa
Elongation rate δ 10 ≥ 25%
Customization: Roller size, shape, could be produced according to client's drawing, or samples.
Hardness: HRC60-65 for chrome steel roller, and HRC25-28 for stainless steel roller, HRC58-61 for carbon steel roller
For bulk purchase,
sample free for confirmation supplied by KN STEEL BALL.
Application for roller bearing production, and other machinery parts.
application areas: Bearing rollers, nozzles of turbojet engine nozzles, plungers, valves, bushings, etc.
Packing: usuall in plastic bag, then in box, then in carton, then on pallet. Or, customized by user special requirement.
Delivery terms: For stock items, delivered within 3 days. For new items, usually 15-45 days, according to quantity and qaulity grade.
Delivery by FEDEX, DHL courier for small quantity. And by train, air, sea for larger quantity.
Outer circle tolerance 2-5um length tolerance 30um verticality≤15um end runout≤15um roundness≤1um surface roughness≤Ra1um
Inspection instruments:
Product Details general
| name |
Pin |
| Material |
Stainless steel AISI304 |
| hardness |
HRC25-30 |
| Diameter tolerance |
- 0.005
- - 0.01 |
| Length tolerance |
± 0.05 |
| Surface roughness |
± 0.1 |
Product Description
Special roller/pin/dowel of speical size, tolerance, special material, customization is available.
Audited Supplier 
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