1/4 Stainless Steel Self Tapping Countersunk Screws Fastenal
Product Description
Stainless Steel Self Tapping Countersunk Screws
Goshen's self tapping countersunk screws are made of 316 stainless steel, which has a bright color, less corrosion and a lot of size.Secondly,hex bolt full thread dimensions is also complete.
Specification
| d | ST2.2 | ST2.9 | ST3.5 | ST3.9 | ST4.2 | ST4.8 | ST5.5 | ST6.3 | |
| p | 0.8 | 1.1 | 1.3 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 | |
| dk | max | 4.3 | 5.5 | 6.8 | 7.5 | 8.1 | 9.5 | 10.8 | 12.4 |
| min | 4 | 5.2 | 6.44 | 7.14 | 7.74 | 9.14 | 10.37 | 11.97 | |
| k | 1.3 | 1.7 | 2.1 | 2.3 | 2.5 | 3 | 3.4 | 3.8 | |
| slot number | 1 | 2 | 3 | ||||||
Material
| 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 |
Standard export packing or According to customer's requirement
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.