Commodity: CK45 machined hollow bar

Steel grade: AISI1045,AISI4130,AISI4140,AISI4145, 25CrMo4,34CrMo4,42CrMo4,20MnV6,ST52,E410,E470,CK45,etc.

Size: OD upto 356mm, ID is not restricted.

Manufacture method: machining+drilling or deep hole boring.

Delivery condition: As rolled, normalized,quenched+Tempered.

Size tolerance: as per request.

Packing: loose packing or bundle packing. Oil coating. External packing as per request.

Shipping: we suggest shipment effected by containers on FCL basis.

The following services are available:

1. External surface machining

2. External surface polishing

3. External surface grinding

4. Machining as per drawing.

5. Deep hole boring

7. Bore honing

8. Skiving&roller burnishing

9. Hard chrome plating.

We are manufacturer of cold drawn mechanical tubing,precision tubes,cylinder tubes, and machining service provider. 

Third party inspection before shipment is acceptable. 

MOQ: 3 tons/size.

Guarantee&Warranty: 6 months after shipment of cargo.