201 /304 /316 Stainless Steel Hex Flange Screws/Flat Head Screw/Flat Head Self-Drilling Screw

• Material: Stainless Steel
• Shape of Head: Hexagon
• Shape of Groove: Linear
• Surface Finishing: Polishing or Galvanized
• Certification: ISO, GS, CE, CCC
• Customized: Customized
• Model NO.: Can be customized
• Type: Flat Head, Round Head, Drill Tail, Self Attack
• Stainless Steel: 201 304 316 316L 410
• Product Material: Stainless Steel
• Special-Shaped Fastener: Customization Accepted
• Transport Package: Export Packing
• Specification: Can be customized
• Trademark: SANJU
• Origin: Hebei
• HS Code: 7318190000
• Production Capacity: 5000000000

Product Description

Custom variety of carbon steel and stainless steel screws and bolts.
Please consult our customer service for more details and we will reply you as soon as possible.

Stainless steel screws usually refer to steel screws with resistance to the corrosion of air, water, acid, alkali salt or other media. Stainless steel screws are generally not easy to rust, durable, available in environmental protection equipment, medical equipment, communication equipment and other fields.
 

Classification of stainless steel screws 1: classification by head type

 

Stainless steel screws according to the head type can be generally divided into cylindrical head, half countersunk head, countersunk head, pan head, large flat head and hexagonal head.

 

Stainless steel screws classification two: according to the groove type classification

Stainless steel screws according to the groove type can be generally divided into cross groove, hexagon groove, a word groove, plum groove, etc.

Stainless steel screws are made of austenitic SUS304 stainless steel and SUS316 stainless steel materials. SUS304 stainless steel screws and SUS316 stainless steel screws contain more than 8 nickel, with high rust resistance.

The stainless steel fasteners we use are mainly made of austenite 302, 304, 316 and "low nickel" 201.

Mainly used for: environmental protection equipment, medical equipment, communication equipment, electric power facilities, electronic products, instruments, food machinery, petrochemical industry, ship assembly, pump valve pipeline, building curtain wall, outdoor occasions, sports facilities, outdoor decoration, etc.

mm

dc

s

k

 

nominal diameter        d	screw pitch   P	max	min		max	min		max	min
ST2.9	1.1	6.3	5.8		4	3.82		2.8	2.5
ST3.5	1.3	8.3	7.6		5.5	5.32		3.4	3
ST4.2	1.4	8.8	8.1		7	6.78		4.1	3.6
ST4.8	1.6	10.5	9.8		8	7.78		4.3	3.8
ST5.5	1.8	11	10		8	7.78		5.4	4.8
ST6.3	1.8	13.5	12.2		10	9.78		5.9	5.3

nominal diameter      d	ST2.9	ST3.5	ST4.2 ST4.8		ST4.8	ST5.5	ST6.3
Nominal length L		1000 piece ≈ kg
9.5	0.43	0.81
13	0.54	0.97	2.74	3.7
16	0.63	1.65	2.94	3.93		5.02
19	0.72	1.79	3.14	4.2		5.37	8.66
22		1.93	3.34	4.46		5.72	9.14
25		2.07	3.53	4.73		6.07	9.62
32			3.99	5.35		6.89	10.74
38			4.39	5.88		7.6	11.7
45				6.5		8.42	12.82
50				6.95		9.01	13.62