Stainless Steel Hex Flange Self-Drilling Screws with EPDM (Enhanced Polymer Disbonding Material) Washer are designed to provide exceptional fastening strength and corrosion resistance. These screws eliminate the need for pre-drilling and come with an integrated polymer washer for added durability and seal.

Name	Stainless steel hex flange self-drilling screws with EPDM washer
Place of Origin	Jiaxing, Zhejiang, China
Dimension	ST2.9-6.3
Surfance	plain
Material	stainless steel
Standard	DIN
Non-standards	OEM is available, according to drawing or samples
Samples	Samples are free.
Package	Pack the box first and put it in the carton, or according to customers' requirement.
Payment	T/T or L/C

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

产品缩略图lsd.jpg

螺纹规格		ST2.9	ST3.5	(ST3.9)	ST4.2	ST4.8	(ST5.5)	ST6.3
P	螺距	1.1	1.3	1.3	1.4	1.6	1.8	1.8
a	最大值	1.1	1.3	1.3	1.4	1.6	1.8	1.8
c	最小值	0.4	0.6	0.6	0.8	0.9	1	1
dc	最大值	6.3	8.3	8.3	8.8	10.5	11	13.5
dc	最小值	5.8	7.6	7.6	8.1	9.8	10	12.2
e	最小值	4.28	5.96	5.96	7.59	8.71	8.71	10.95
k	最大值	2.8	3.4	3.4	4.1	4.3	5.4	5.9
k	最小值	2.5	3	3	3.6	3.8	4.8	5.3
kw	最小值	1.3	1.5	1.5	1.8	2.2	2.7	3.1
r	最大值	0.4	0.5	0.5	0.6	0.7	0.8	0.9
s	最大值	4	5.5	5.5	7	8	8	10
s	最小值	3.82	5.32	5.32	6.78	7.78	7.78	9.78
dp		2.3	2.8	3.1	3.6	4.1	4.8	5.8
钻削范围（板厚）		0.7~1.9	0.7~2.25	0.7~2.4	1.75~3	1.75~4.4	1.75~5.25	2~6
Lg (最小值)		-	-	-	-	-	-	-

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

Q:What is your main products?

A:Fasteners, Bolt, nut, screws, washer, threaded rod, anchors, self tapping screws, self driling screws, stainless steel plate, etc.

Q: 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.

Material: Crafted from high-quality stainless steel, these screws ensure a superior resistance to rust and corrosion.
EPDM Washer: The washer is made from Enhanced Polymer Disbonding Material, designed to seal the screw head and prevent corrosion.
Self-Drilling Point: The sharp tip allows the screw to self-drill into various materials, saving time without compromising strength.
Hex Socket Drive: Equipped with a hex socket for compatibility with standard hex keys or socket wrenches.

Size Range: Multiple diameters and lengths available to meet a variety of applications.
Thread Type: Metric threading for universal application compatibility.
Head Style: Hex flange head with a low-profile for flush mounting.
Washer Material: EPDM washer ensures a secure and durable fastening

Corrosion Resistance: Stainless steel and EPDM washer provide robust protection against environmental factors.
Strength: High tensile strength suitable for heavy-duty applications across various industries.
Convenience: Self-drilling design reduces installation time and eliminates the need for additional drilling.
Versatility: Suitable for fastening into multiple materials such as wood, metal, and plastic.

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ABOUT US

Jiaxing Goshen Hardware CO., LTD is Located at Economic Development Area, Jiaxing City, Zhejiang Province, China. We specialise in suppling kinds of stainless steel, high strength and low carbon steel fasteners with excellent quality and reliable price. Our fasteners according to a number of internationally recognised standards including DIN, ANSI/ASTM, BS, JIS, GB etc.