China Special Double Head Hex Bolt with Drilled Holes Copper Coating

Non standard double head hex bolts with drilled holes used in treadmill

Specification:3/8-16*20
Finishing:Colored-plating
Material:10B21

All the NON STANDARD FASTENERS are customized.
Kinsom fasteners provide high quality cold forging screws as per your drawings.
·Size from M1.7-M30;
·Material as stainless steel 304 `316 ,carton steel 1018,alloy steel,aluminum,brass...
·Finish as zinc ,nickel,black,oxide...
·Head style for flat,oval,truss,PF.round ,button,pan(JIS,ANSI),fillister...
·Screw Drivers for slotted,six-lobe,pozidriv,square,triangle,8 point.....
·Class 4.8-12.9
To face the challenges of world manufacturing market ,we still make sure our quality and service to maintain satisfaction of customers'. Kinsom Helps customers Improve Quality, Achieve Faster and more Secure Delivery, Reduce Total Cost.If you are looking for the customized parts,you turn to us.
How we do:
·Quality control management
·Logistics and Packaging
·Custom labels and logo
·We are serious about service,and our service never ends.
Welcome to visit us:
Professional inspection machine to insure the quality:

Professional cold forging and threading machine to get the right fasteners: