M4 long head with hole captive screw for electric equipment
Specifications
1.lower price. 
2.high quality. 
3.short delivery time. 
4.good service 

Products Details
Material	1.Stainless Steel: SS201, SS303, SS304, SS316, SS410, SS420
	2,Steel:C45(K1045), C46(K1046),C20
	3.Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58),
		C27200CuZn37), C28000(CuZn40)
	4.Bronze: C51000, C52100, C54400, etc
	5.Iron: 1213, 12L14,1215
	6.Aluminum: Al6061, Al6063 etc
	7,.Carbon steel: C1006,C1010,C1018,C1022,C1035K,C1045
	8, Alloy steel: SCM435,10B21
Specification & gauge	M0.8-M10
Surface Finishing	Zn- Plated,Ni-plated,Passivated,Tin-plated,Sandblast and Anodize,Chromate, Polish,Electro Painting,Black Anodize,Plain,Chrome plated,Hot Deep Galvanize(H. D. G. ) etc.
Heat Treatment	Tempering,Hardening,Spheroidizing,Stress Relieving.
Standard	ISO,GB(China),DIN,JIS,ANSI,BSW
Manufacture  Process	Heading/washer assembly/Threading/Secondary machine/heat treatment/plating/Anti-slipping/Baking/QA/Package/Shipping
Sample  Availablity	we can make sample within 7 days free of charge  if there is available tool for us.
Lead time	10-15 working days as usual,It will based on the detailed order quantity.
Carton size	28*20*22 CM &28*20*16 CM
Pallet size	110*100*90 CM
Warranty	we confirm our goods will satisfy yr request of 100%, and have 18 month warranty .
After sales service	we will follow up goods for every customer and help solve problem after sales.

 Testing instruments:

To ensure the quality and performance of the manufacturing, as a China screw manufacturer, our company is equipped with all kinds of professional testing equipment: universal testing machine, hardness tester, torque, metallographic analyzer, projectors, imager, and salt spray test machine and so on. Professional inspection: digital micrometer, inside and outside diameter micrometer, a micrometer head, triangular thread odd micrometer, a few significant vernier caliper, thread ring gauges and thread plug gauge and other professional testing equipment.

Implementation standards:

We can produce all kinds of fasteners in accordance with standards of GB DIN, JIS, ANSI and manufacture non-standard or special-shaped parts according to customer requirements. Our company is with excellent quality, innovative technology, reasonable prices and perfect service! Customers at home and abroad are warmly welcome to cooperate with us!

Main Products: the Most Competitive Products, sem screw/ combination screw, security screw, Chicago screw, special custom screw, customized screw, plastic head screw, lathe nut, and professional screw automotive turning parts, screw drivers, toy axles, machine screws, machining, aluminum screws, stainless steel screws and so on.

We are looking for our cooperation!

Welcome to figure offer, the price is for reference only, we have a professional considerate service to you.
screwkira13 recommend you captive screws

Contact King-Tower:
Company Name:Dongguan King-Tower Hardware Co., Ltd
Address:Add:No.27 Dazhou the second manufacturing district,Qiaotou Town,Dongguan City,Guangdong province,China(mainland) Service
Commissioner: Mr. Wang