Product name
Specialty Screws and Bolts High Strength 12.9 Grade M20 Black T head Bolt With Hole
Material
Carbon Steel, Alloy steel, stainless steel or 304 302 321 304L 201 667 668 316 316L
Size
Standard and Non-standard according to drawing or samples
Standard
GB, DIN, ANSI, JIS, BSW, ISO and non-standards
Grade
4.8/6.8/8.8/10.9/12.9
Surface Treatment
Zn- Plated,Ni-plated,Passivated,Tin-plated,Sandblast and Anodize,Chromate, Plain ,Electro Painting,Black Anodize,Plain,Chrome plated,Hot Deep Galvanize(H. D. G. ) etc.
Heat Treatment
Tempering,Hardening,Spheroidizing,Stress Relieving.
Manufacture Process
Heading/washer assembly/Threading/Secondary machine/heat treatment/plating/Anti-slipping/Baking/QA/Package/Shipping
Machines
auto pressing machines, automatic heading machine, cold header high-precision surface grinder machine, involantary grinder machines,Digital Micro Vickers Hardness tester, Electrolytic metrical thickness gauge, Vision Measuring Machine,Fischer Scope X-ray Thickness Gauge and so on
Certificate
ISO/TS16949:2009
Packing
By plastic paper, then packed on thick carton, put on pallet or according to client's requirement
Delivery
10-15 working days as usual,It will based on the detailed order quantity.
Sample
we can supply the samples for free,if the samples we have in stock
Warranty
we confirm our goods will satisfy your request of 100%
After sales service
We will trace the goods for every customers and help to slove problems after sales