Jiangsu Profile
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Product List
57586. Torx Hex Flange Head Stainless Steel Custom Machine Screw A2/A4 Anti-Serrated Load Distribution 
[Jun 13, 2026]
[Jun 13, 2026] Product Description Item Details Raw Material & Performance Grade Premium stainless steel stock with multi corrosion-resistant grades: A2-70 (SS304), A4-70/A4-80 (SS316/SS316L), duplex 2205. Stable metallurgical ...
Company: Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.
57587. DIN7981 SS316 Stainless Steel Pan Head Phillips Self Tapping Wood Screw A2 Grade [Jun 13, 2026]
[Jun 13, 2026] Product Description Item Details Raw Material Selection Made of high-grade stainless steel including SS304, SS316, SS316L and duplex 2205 stainless steel. Raw metal blanks pass strict composition testing before ...
Company: Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.
57588. DIN933 SS304 A2-70 A4-80 Stainless Steel Hex Head Screw Bolt with Nut & Washer M12*100mm [Jun 13, 2026]
[Jun 13, 2026] Product Description Item Details Raw Material Selection Main raw material is premium stainless steel including SS304, SS316, SS316L and duplex 2205 stainless steel; carbon steel can be supplied as an economical ...
Company: Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.
57589. Factory A2-70 SS304 DIN7985 Cross Recess Pan Head Stainless Steel Machine Screw for Equipment ... [Jun 12, 2026]
[Jun 12, 2026] Product Description Item Details Base Material & Mechanical Grade Primary raw material is SS304 stainless steel with standard A2-70 tensile grade; SS316 (A4 grade) is available as an upgraded option for ...
Company: Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.
57590. Stainless Steel Hex Flange Washer Head Self Drilling Screw with EPDM Rubber Sealing Washer for ... [Jun 12, 2026]
[Jun 12, 2026] Product Description Item Details Raw Material & Strength Classification Main raw material is SS304 stainless steel with standard A2-70 mechanical grade; SS316 (A4-80) can be selected as an upgraded material for ...
Company: Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.
57591. China Factory Q195 Galvanized Steel Umbrella Head Roofing Screw Nail for Color Steel Sheet Roof ... [Jun 12, 2026]
[Jun 12, 2026] Product Description Item Details Raw Material & Physical Performance The base raw material is Q195 low carbon steel, with stable tensile strength and good ductility after precision forming. The sharp quenched tip ...
Company: Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.
57592. China Factory SS304 Stainless Steel ISO7380 DIN7985 Pan Head Countersunk Flat Round Head Machine ... [Jun 12, 2026]
[Jun 12, 2026] Product Description Item Details Raw Material & Anti-Corrosion Performance Constructed from premium SS304 stainless steel as the primary raw material, with SS316 available as an upgraded option. The inherent ...
Company: Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.
57593. China Factory SS304 Stainless Steel Pan Round Flat Head Machine Screw M4 M6 M8 [Jun 12, 2026]
[Jun 12, 2026] Product Description Item Details Base Material Composition Constructed from premium SUS304 austenitic stainless steel. This grade balances decent tensile strength, outstanding oxidation resistance, and great ...
Company: Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.
57594. 304+410 Bi-Metal Hex Flange Self Drilling Screw with EPDM Waterproof Washer [Jun 12, 2026]
[Jun 12, 2026] Product Description Item Details Composite Raw Material System Dual bi-metal composition: SS304 stainless steel main body delivers excellent rust resistance; 410 hardened stainless steel forms the drill tip for ...
Company: Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.
57595. Hex Head Bi-Metal Self Drilling Screw, SS304+410 Stainless Steel Bimetal Roof Fastener [Jun 12, 2026]
[Jun 12, 2026] Product Description Item Details Composite Raw Material Structure Dual bi-metal construction: main body adopts corrosion-resistant SS304 stainless steel; drill tip is high-hardness 410 stainless steel. SS316 ...
Company: Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.
57596. SS304 & Scm435 Bi-Metal Hex Flange Self Tapping Screw with EPDM Rubber Washer M5.5 M6 [Jun 12, 2026]
[Jun 12, 2026] Product Description Item Details Composite Raw Material Structure Dual bi-metal construction: outer corrosion resistant SS304 stainless steel shell, high hardness SCM435 alloy steel drill tip core; SS316+SCM435 ...
Company: Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.
57597. Stainless Steel Pan Head Phillips Self Drilling Confirmat Euro Screw 6.3*50mm for Furniture Cabinet ... [Jun 11, 2026]
[Jun 11, 2026] Product Description Item Details Base Material Premium Austenitic Stainless Steel (SS304, SS316 optional; SS201/303/316L available for custom orders) Product Category Phillips Cross Recess Countersunk Self-Tapping ...
Company: Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.
57598. Stainless Steel Flange for Pipeline with ANSI Standard [May 27, 2026]
[May 27, 2026] Stainless Steel Flange Stainless steel flange is a part for connecting pipes, valves, pumps and other equipment. It tightly connects two pipe ports or devices together by bolts and gaskets of common materials including ...
Company: Kunqian Steel (Jiangsu) Co., Ltd.
57599. Stainless Steel Flange for Pipeline with ISO9001 DN50 Class150 [May 26, 2026]
[May 26, 2026] Stainless Steel Flange Stainless steel flange is a part for connecting pipes, valves, pumps and other equipment. It tightly connects two pipe ports or devices together by bolts and gaskets of common materials including ...
Company: Kunqian Steel (Jiangsu) Co., Ltd.
57600. Forged Stainless Steel Flange for Oil Gas with CE DN80 Pn16 [May 26, 2026]
[May 26, 2026] Stainless Steel Flange Stainless steel flange is a part for connecting pipes, valves, pumps and other equipment. It tightly connects two pipe ports or devices together by bolts and gaskets of common materials including ...
Company: Kunqian Steel (Jiangsu) Co., Ltd.
