China Hilo Thread OEM Service Custom 90 Length Hex Flange Bolt Self Tapping Screw

Items Hexagonal flange bolt self tapping high low thread screw with zinc coating
Specification:
Hex flange head with carbon steel AISI1022Thermo chemical treatment: cemented seasoned and stress reliefNon standard step bolts knurling screwCold forging process for manufacturingCase hardness: 600-700HV 45HRC Core hardness: 300-425HV 38HRCDrive type: slottedSize : 3/8"*45Class:10.9 12.9Tail type: cutting pointThread type: BT type High-low threadFinish: blue white zinc coating 5um min Marked: KS or by your needsThickness of heat treatment: 0.15-0.28MMSST: 48hrs min per ASTM B117 0% red rustIndustry: building construction and othersSize and Material can be customized by your specific needs.
What we can do:

All the following details can be customized by your specific need.

OEM service is welcomed.

Product NameHexagonal flange bolt self tapping thread screw with zinc coatingMaterialStainless steel 304 `316 ,carton steel 45# 22A 10B21,alloy steel,aluminum5052 6063F22,brass ,Titanium/Ti Alloy And so onHardness4.8-12.9 gradeType of ShankFull thread/ parital threadDriversslotted,six-lobe,pozi driver,square,triangle,8 point,phillipsType of Headflat,oval,truss,PF.round ,button,pan(JIS,ANSI),fillister,squareSurface TreatmentZinc,nickel,gold brass,black/black oxide etcShank DiameterM1.7-M30 customized by your needOverall Length6-120MMSalt Spray Test24hr-1000hrHead Diameteraccording to the size ApplicationThe product is used for fixing thing in one place,it is also apply to material transmission, large drill bit.Package Description25kg/carton;Can Pallet.Or according to customers' requests.

Customized fasteners:
Plain with oil /No finishWhat kind of finish you need ?
Hexagon bolts :
Sandblasting blacking or zinc , black nickel ,black finish series:
Welcome to visit us:
Professional inspection machine to insure the quality:

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