M3.5X25 Flat Head Self Tapping Screws For Flat Head Taiwan Fastener

Flat Head Self Tapping Screws For Flat Head Taiwan Fastener Bestech Appliance Ind. Company is an ISO9001 & ISO14001 Factory with over 30 years in manufacturing and trading all sorts of high-qualified fasteners. The standard and non-standard fasteners are in our hot line. Our Advantages are guaranteed quality and lead time with a lower price than other factories. We sincerely welcome your inquiry of self tapping screws and other fastener products.      Flat Head Self Tapping Screws For Flat Head Taiwan Fastener     Application A self-tapping screw is a screw that can tap its own hole as it is driven into it. For hard substratessuch as metal or hard plastics, the self-tapping ability is often created by cutting a gap in the continuity of the thread on the screw, generating a flute and cutting edge similar to those on a tap.   Self-tapping screws are used in a variety of applications ranging from DIY carpentry to surgery.      Specification  Besides our specification down below all products can be highly customized as your requirement

Screw Specification
Head Styles	Drivers	Plating/Coating	Thread Types	Additional Requests
Pan	Pozidriv	Plain	Fine	With Head Mark
Pan Framing	Phillips	Zinc	Coarse	Serration Under Head
Round	Slotted	Yellow Zinc	Hi-Low	With Bonded Washer
Truss	Phillips Slotted	Black Phosphate	Machine	With PVC Washer
Hex	Square	Gray Phosphate	Twinfast	With Iron Assembly
Hex Washer	Square Phillips	Black Zinc		With Wing
Wafer	Torx	Black Oxide		Slotted + Wing
Truss Washer	Hex Socket	Galvanize
Csk(Flat)		Rustproof
Flower		Nickel
Bugle		Bronze
Serration		Spray Paint
Oval
Main Material
Steel: C45(K1045), C46(K1046),C20 etc.
Carbon steel: C1006,C1010,C1018,C1022,C1035K,C1045,etc.
Stainless Steel: SUS201, SUS303, SUS304, SUS316, SUS410, SUS420 etc.
Alloy steel: SCM435,10B21 etc.
Brass: C36000 ( C26800), C37700 ( HPb59), C38500( HPb58) etc.
Aluminum: Al6061, Al6063 etc
Iron:1213, 12L14, 1215, etc.
Standard	Diameter Range	Length Range	Property Grade
SAE J429	1/4''-1''	3/4''-8''	GR.2, 5 and 8
ASTM A307	1/4''-1''	3/4''-8''	GR.A
ASTM A307	1/2''-1''	1-1/2''-8''	GR.B
ASTM A325	1/2''-1''	1-1/2''-8''	TYPE 1
DIN 931	M6-M30	15-200mm	CL. 4.6, 4.8, 5.8, 6.8, 8.8 and 10.9
DIN 933	M6-M30	15-200mm	CL. 4.6, 4.8, 5.8, 6.8, 8.8 and 10.9
DIN 960	M8-M30	15-200mm	CL. 4.6, 4.8, 5.8, 6.8, 8.8 and 10.9
DIN 961	M8-M30	15-200mm	CL. 4.6, 4.8, 5.8, 6.8, 8.8 and 10.9
DIN 6914	M12-M30	40-200mm	CL. 10.9
DIN 7990	M12-M30	40-200mm	CL. 5.8, 6.8, and 8.8
DIN EN ISO4014	M6-M30	15-200mm	CL. 4.6, 4.8, 5.8, 6.8, 8.8 and 10.9
DIN EN ISO4016	M6-M30	15-200mm	CL. 4.6, 4.8, 5.8, 6.8, 8.8 and 10.9
DIN EN ISO4017	M6-M30	15-200mm	CL. 4.6, 4.8, 5.8, 6.8, 8.8 and 10.9
DIN EN ISO4018	M6-M30	15-200mm	CL. 4.6, 4.8, 5.8, 6.8, 8.8 and 10.9
ISO 4014	M6-M30	15-200mm	CL. 4.6, 4.8, 5.8, 6.8, 8.8 and 10.9
ISO 4016	M6-M30	15-200mm	CL. 4.6, 4.8, 5.8, 6.8, 8.8 and 10.9
ISO 4017	M6-M30	15-200mm	CL. 4.6, 4.8, 5.8, 6.8, 8.8 and 10.9
ISO 4018	M6-M30	15-200mm	CL. 4.6, 4.8, 5.8, 6.8, 8.8 and 10.9

  Self Tapping Screw Production Overview     Self Tapping Screw Packing & Shipping Packing information :
1. Industrial packaging: plastic bag + kraft paper + carton or wooden ; plastic tube + carton.
2. Commercial packing: 1pc/plastic bag + color box + carton. 
3. As the clients' requirement. Shipping information :  1. For small quantity, shipment is preferred to shipping with express by UPS, DHL, EMS, TNT or FedEx to meet your deadline on time worldwide basis.   2. For regular mass production, shipments can be arranged by air-shipping, sea-shipping or express. Let us know on your requirement we will try to save your budget and meet deadline.   Self Tapping Screw Testing Technology   Self Tapping Screw     Recommended Products           Self Drilling Screw              Self Tapping Screw                Chipboard Screw     
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                       Contact Information   Self Tapping Screw       FAQ Q1: Are you a trading company or a manufacturer? A: We are a manufacturer. Q2: How long is your delivery time? A: Generally it is 7-14 days if the goods are in stock, or it is 25-45 days if the goods are not in stock. It depends on your quantities. Q3: Do you provide samples? Is it free or not? A: Yes, we offer samples for free if the requirement is available with our tooling.      

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