Special Carbon Steel Offset Striking Box Wrench Special Wrench
1.Information data for single bent box wrench
1.material is 45 steel and 40 chromium, after heat treatment and surface treatment technology.
2.Technology : free forging and forging.
3.Surface finish
Electrostatic spraying
Bluing
Chroming and zincing
Essential color
2.The processing procedure
(1) To prepare the raw material , blanking
(2) Forging
(3) Stored in the semi finished products warehouse
(4) Punching
(5) Through the drawbench or slotting machine
(6) PE plain end and chamfering
(7) Make the margin smooth
(8) Polishing
(9) Stock in warehouse
3.Surface processing
Electrostatic painting ( Spray coating)
Bluing (blueing treatment)
Chrome and zinc plating
Natural color (essential color)
4.Specification
material | 45#steel ,Cr-V steel |
color | black ,grey,slivery white |
technique | forged |
finished | black painted,chorme plated,ZINC plated |
certificate | ISO9001/UKSA |
package | carton or according to you request |
delivery | 3-9days according to quantity |
supply ability | 2000 set/week |
portof shipment | tianjin |
5.Production method
Solid forging die
Machinery forgings, including freedom of die forgings and precision forging
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