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  E-mail:smile@cngoshen.com

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SS304+SUS410 Bi-metal Hex Flange Head Self Drilling Screw

Material :SUS410 +SUS304
Min Order: 500pcs
Availability:
Quantity:
  • DIN,AMSI

  • GS

  • GSSDS003

Hex Flange Head Self Drilling Screw                                                                                                  


   Goshen's stainless steel self drilling screws are made of ss410 ss304 ss316 stainless steel, which has a bright color, less corrosion and a lot of size.Secondly,hex bolt full thread dimensions is also complete.

未标题-7

Specification                                                                                                                                                                   


图纸

Nominal diameter
ST2.9 ST3.5 ST4.2 ST4.8 ST5.5 ST6.3
d






P Screw pitch 1.1 1.3 1.4 1.6 1.8 1.8
a Max 1.1 1.3 1.4 1.6 1.8 1.8
c Min 0.4 0.6 0.8 0.9 1 1
dc Max 6.3 8.3 8.8 10.5 11 13.5

Min 5.8 7.6 8.1 9.8 10 12.2
e Min 4.28 5.96 7.59 8.71 8.71 10.95
k Max=Nominal 2.8 3.4 4.1 4.3 5.4 5.9

Min 2.5 3 3.6 3.8 4.8 5.3
kw Min 1.3 1.5 1.8 2.2 2.7 3.1
r Min 0.1 0.1 0.2 0.2 0.25 0.25
s Max=Nominal 4 5.5 7 8 8 10

Min 3.82 5.32 6.78 7.78 7.78 9.78
Drilling depth or sheet metal thickness Min 0.7 0.7 1.75 1.75 1.75 2

Min 1.9 2.25 3 4.4 5.25 6
Lg Min
- - - - - -


Material                                                                                                                                                                           


304 Chemical Composition(%)
Grade C≤ Mn≤ Si≤ S≤ P≤ Cr Ni N≤

0.08 2 0.75 0.03 0.045 18.0-20.0 8.0-10.5 0.1
304 Mechanical property
σb≥ σ0.2≥ δ5 (%)≥ Hardness(HB)(kgf/mm2)]
520(Mpa) 205(Mpa) 40% ≤187 HRB≤90 HV ≤200
316 Chemical Composition(%)
Grade C≤ Mn≤ Si≤ S≤ P≤ Cr Ni Cu MO N

0.017 0.98 0.25 0.0016 0.0414 16.23 10.08 0.32 2.06 0.037
316 Mechanical property
σb≥ σ0.2≥ δ5 (%)≥ Hardness(HB)(kgf/mm2)]
520(Mpa) 205(Mpa) 40% ≤187 HRB≤90 HV ≤200
410 Chemical Composition(%)
Grade C≤ Si≤ Mn≤ P≤ S≤ Cr

0.15 1.00 1.00 0.035 0.030 11.50~13.50
410 Mechanical property
σb≥ σ0.2≥ δ5 (%)≥ hb≤
hrb≤ hv≤
440(Mpa) 205(Mpa) 20% 183 88 200


Packaging & Shipping

Standard export packing or According to customer's requirement

Our Services
1.We ,ll always be online whenever you look for us.
2..The customer is god, and we always focus on the customer's point of view
3.We produce your order strictly by your request. If the quality was not acceptable, we will refund to you.
FAQ

1. What is your main products?

A: Fasteners, Bolt, nut, screws, washer, threaded rod, anchors, self-tapping

Screws, self-drilling screws, stainless steel plate, etc.

2. What is your delivery time?

A: It depends on if we have stock or not, if we have stock goods, we can

 delivery within 2 days after receive the payment. And normally our production

is in 20-30 days for one container (20-26 ton) products.

3. What is your payment term?

A: Mostly we use 30% advance payment by T/T, 70% before shipment

For small amount order, we have PayPal account, also the western union,

MoneyGram is ok.

4. How is your quality? And what if we don't satisfied your quality?

 A: We produce your order strictly by your request. If the quality was not

acceptable, we will refund to you.

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