Square Head Knurling Step Bolt Black Coating Mounting Automotive Fasteners Black Phosphating

• Material: High Strength Steel
• Type: Square Head
• Connection: Common Bolt
• Head Style: Square
• Grade: 10.9
• Finish: Color-Zinc Plated
• Transport Package: Standard Packaging
• Specification: m4 m6 m8
• Trademark: OEM
• Origin: Shanghai China

Product Description

What we can do:
 

All the following details can be customized by your specific need. OEM service is welcomed.
Product Name
Material	Stainless steel 304 `316 ,carton steel 45# 22A 10B21,alloy steel,aluminum5052 6063F22,brass ,Titanium/Ti Alloy And so on
Hardness	4.8-12.9 grade
Type of Shank	Full thread/ parital thread
Drivers	slotted,six-lobe,pozi driver,square,triangle,8 point,phillips
Type of Head	flat,oval,truss,PF.round ,button,pan(JIS,ANSI),fillister,square
Surface Treatment	Zinc,nickel,gold brass,black/black oxide etc
Shank Diameter	M2.5-M30 customized by your need
Overall Length	6-120MM
Salt Spray Test	24hr-1000hr
Head Diameter	according to the size
Application	The product is used for fixing thing in one place,it is also apply to material transmission, large drill bit.
Package Description	25kg/carton;Can Pallet.Or according to customers' requests.

If you are looking for the cold forging fasteners manufacturer, look no further than kinsom fasteners.
Kinsom provide you high quality product and service with customized size,finish,detail requirements cold forging fasteners.
If you are seeking no more than of cold formed items,even kinsom can supply you related precision metal parts with the second processing to meet your demands.
 
OEM service is available.Send your drawing to us,let's talk more details.

Check our related .

Fasteners Series

Customized fasteners:

 

Company Shows

Welcome to visit us:

How you can trust us?

1.Certificated 9001.2015 system, IATF16949:2016 factory.Prodcuts test pass Sgs, ELV,Rohs 2.0, IMDS,PPAP III level;

2.We are also audited by SGS, BV from Made In China, Certificated company;

3.Stable supplier, Strict production flow and inspection work;

4.More focus on producing the quality products, and providing customer service and ability to meet customer requirements. To face the challenges of world manufacturing market, we still make sure our quality and service to maintain satisfaction of customers.
5.Over 20 years experiences staff ,more focus on the technicals on forging and mahchining process.Help you find the more 
competitive way to get the parts.
6.Produce fasteners and provide service in Automotive components, construction building material,machine equipments ,electronics
industry. 
7.OEM and ODM are welcomed.
 

Kinsom can take control those following items in house:

1. Go/no go plug gauge test (all test tools are calibrated by professional third party every year)

2. Dimension

3. Proof load test

4. Torsional strength test

5. Rockwell hardness

6. Superficial rockwell hardness

7. Vickers hardness

8. Brinell hardness

9. Micro hardness

10. Salty spray Test

1.