China M3 M4 Custom Plastic Head knurled Thumb Screw Fastener Knurled Screw Knob Screw

Size：Standard.non-standard according to drawing or samples

Material： Plastic,PC, PVDF, PP , etc,

Head type：Plastic pan head screws, countersunk head plastic screws, hexagon plastic screws etc.

Features：Good anti-corrosion ability

Color：White, black, or custom

Quality Certificate：ISO9001:2008, IATF16949,ROHS

Head Material	Bakelite,Plastic,PC,PVDF, PTFE , Rubber,etc
Thread Material	Steel ,Stainless Steel 304,316 and others
Size	Customized as your drawings,or samples
Features	Good anti-corrosion ability
color	White, black, or custom
Quality Certificate:	ISO9001:2008, IATF16949,ROHS
Inspection quality system:	ISO standard, 100% Whole range inspection through the production.
Equipment:	Hardness test, torque test, endurance test, mechanical sizes test, ROHS report Mill test certification and etc as per your need.
Inspection process:	Incoming quality control →Process Quality Control →Final Quality Control → Pre-shipment Quality Control
Packaging	bulk+carton+pallet ,small box+carton+box

Recommand

Advantage

1) Offering video and photos with details freely during production.

2) Producing according to the accuracy of drawings, assembly measurement to detect function and

strict quality control to ensure 0 return rate

3）99% orders can be ensured delivery time

4) The materials we use are optimal

5) 24 hours online service

6) The competitive factory price with the same quality and service

7) The most suitable packing method to different products.