Self Drilling Screw manufacturer,black screws,Roofing Screw 5.5X25 factory wholesale price

 self drilling screw manufacturer, self tapping screw factory, special screw supplier, machine screws hardware manufacturing plant,wholesale factory 

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Price inquiry: info@304stainlessparts.com  Factory's WhatsApp：+86 150 5061 5346

Self drilling screws

Standard: IFI,DIN,JIS,GB,Special Design

Size Range: M1.4-M8(0#-14# &M8)

Length Range: 6mm-300mm

Material: Carbon steel and stainless steel A2 A4 and SS410

FLAT		PAN	HWH	HWF	BUGLE	WAFER	PAN WASHER	OVAL	TRUSS	ROUND
DRIVE
PHILLIPS		SQUARE	POZI	SQUARE+PHIL	TORX	SLOTTED	PHIL+SLOTTED	OTHER
POINT TYPE
TEK#1		TEK#2	TEK#3	TEK#4	TEK#5	TYPE 17
THREAD TYPE
TYPE-A		BSB TYPE	CSB TYPE	HI-LOW	MACHINE	DOUBLE	OTHER
10#-12 THD		6#-20 THD	8#-32 THD
12#-11 THD		7#-19 THD	10#-24 THD
14#-10 THD		8#-18 THD	12#-24 THD
		10#-16 THD	14#-20 THD
PLATING
PLAIN		ZINC PLATED	COLOR ZINC PLATED	BLUE ZINC PLATED	BLACK PHOSPHATE	GRAY PHOSPHATE	BLACK ZINC PLATED	WHITE ZINC PLATED
BLACK OXIDE		DECROTIZEO	RUSPERT	XYLAN	NICKEL	BRONZE	SPRAY PAINT	OTHER
SERRATION UNDER HEAD		W / O WASHER	W / BONDED WASHER	W / PVC WASHER	W / STEEL EPDM	W/RUBBER WASHER	W / HEAD MARK	W / WING	OTHER

1. Material : steel 1022A , hardend , zinc plated 

2. Size: #7 - #14

3. Packing : colored or brown cartons or by customer demands  

4.  Quality : work 5mm iron board within 4 seconds 

Product Name	drill screw , self drilling screw , roofing screw ,hex head screw  ,tapping screw
Material	carbon steel  1022A ,  stainless steel
Color	blue-white zinc , white zinc , yellow zinc
Standard	ISO,GB,DIN,JIS,ANSI,BSW
Diameter	M3.5-M6.3, 6#-14#
Length	11mm-175mm, 5/8'-7' inch
Surface finish	wax, zinc plated, trivalent chromium blue white zinc, brass plated, phosphate, mechanical zinc, hot-dip galvanized, dacromet
Thread Code	full thread and half thread