Screws
410 stainless steel self-drilling screws SAE J78/ASME (IFI): #8-18*1/2" DIN 7504/JIS B1124: 4.2*13 Drill Point: 2
Price: FOB(/ Guangzhou/ Shenzhen) Pan Head Phillips: CSK (Flat) Phillips: Hex Washer Head: Pan Head Washer:
Specification: 1. Competitive price and excelltent quality 2. Surface hardness HV:530-600, Core hardness HV:380-450 3. heat treatment and passivation are both at our own disposal 4. Salt spray test for our product can reach to 4000 Hours.Excellent rust prevention and corrosion resistance. 5. we are professional in stainless steel screws, can supply professional advise in using screws.
Color Painted Hex Washer Head Self Drilling Screw , Roofing Screws , With EPDM Metal Bonded Washer (RAL)
Product Name:self drilling screw
Head:hex,csk and pan head
Diameter: 3.5mm-6.3mm(#6-#14)
Length: 11mm-200mm
Coating: Zinc,Phosphated
Material: C1022
Self-drilling screws mainly has three advantages as following:
Firstly, Self-drilling screws can save labor. Drilling hole, forming mating thread and clamping home can achieve in an easy operation. It doesnt require for difficult alignment of two or more elements.
Secondly, self-drilling screws can save materials. It only needs one tool for application---screw drive. Power drills, drill bits and elaborate and costly press tools and their maintenance are eliminated.
Finally, self-drilling screws can improve product quality. It ensures correct hole size every time, resulting in better thread engagement and tighter clamp.
Hexagon washer head drilling screws with tapping screws thread
1) standard:EN ISO15480(DIN7504K)
2) Length:13mm-254mm(1/2"-10)
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