Stainless Steel Hex Flange Self Drilling Screw with EPDM Washer

• Customization: Available
• Material: Stainless Steel
• Type: Hexagon Head With Flange
• Model NO.: GB15856.4
• Connection: Common Bolt
• Head Style: Hex Flange
• Standard: DIN, GB
• Grade: 6.8
• Single Package: Selling Units Single Item Xxcm Size
• Surface Treatment: Plain
• Transport Package: Box
• Specification: Ø 2.9-Ø 6.3
• Trademark: shuojia
• Origin: Jiangsu, China

Product Description

For Nominal Thread Diameter		ST2.9	ST3.5	ST4.2	ST4.8	ST5.5	ST6.3
P	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
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
c	min	0.4	0.6	0.8	0.9	1	1
s	max=nominal size	4	5.5	7	8	8	10
	min	3.82	5.32	6.78	7.78	7.78	9.78
e	min	4.28	5.96	7.59	8.71	8.71	10.95
k	max=nominal size	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	max	0.4	0.5	0.6	0.7	0.8	0.9
Drilling range(thickness)	≥	0.7	0.7	1.75	1.75	1.75	2
	≤	1.9	2.25	3	4.4	5.25	6
Lg (min)		-
Weight of per 1000 steel products(≈kg)
The function of the drill tip (diameter dp) is specified in GB/T 3098.11.
*Customization

1. Are you a manufacturer or a trading company?We are trading company with cooperated factories.

We have fasteners experience for more than 30 years.

2.  How does your factory control product quality?
We have quality inspection department, Before sending out product, we check eachproduct. lf there is quality problem, we will produce new one.

3.May I have some samples? How much is the sample fee?
We provide free samples for our customers, you just need to pay for the express fee. If you need customized products, there will be a charge for the customized samples, but the samples charge will be deducted from the official order.

4.What are our main products? 
In addition to dealing with some standard fasteners, such as bolts, screws, nuts, gaskets, self-tapping nails, drilling nails,we can also produce special customized products according to customers' drawings.

5. I'm not sure what screws I should be using or I need a little engineering help. Do you guys offer assistance? 
Yes, we have professional engineer to help you, and can make the drawings for you if necessary. So, just please let us know your detailed requirements.

KIND REMINDER FOR CUSTOMERS
CUSTOM
1. The price on the pagedeos not include logo customization ,packaging customization and any other customizations
EXCHANGE RATE
2. The price is based on USD / CNY exchange rate no lower than 7. lf the exchange rate fluctuate the price will be changed
accordingly.
MATERIAL
3. Due to the raw material price changes from time to time. We reserve the right the adiust the price to reflect the actual raw material price when quote
EXW
4. The price is based on Intercom EXW and for exporting transaction onlyPICTURE PRICE
5. The picture on the page is just a reference for the products, the real transaction is based on customer's customization
requiriment and final sample confirmation agreed with each party