Jiangsu Profile
Product List
70816. Stainless Steel 304/316 Courtyard Drain Locking Screw 
[Jun 15, 2026]
[Jun 15, 2026] Product Description Item Details Dual-Grade Stainless Steel Raw Material Selection We provide two mainstream stainless steel grades: A2 (304) for general outdoor landscape projects and A4 (316) with extra molybdenum ...
Company: Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.
70817. SS304/316 Torx Countersunk Machine Screw GB2673 [Jun 15, 2026]
[Jun 15, 2026] Product Description Item Details Stainless Steel Base Material & Anti-Corrosion Grades This fastener provides two mature stainless steel grades to match diverse working environments. A2 grade (304 stainless steel) ...
Company: Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.
70818. Black Oxide Phillips Truss Pan Head Self Tapping Screw Auto Car Fastener [Jun 15, 2026]
[Jun 15, 2026] Product Description Item Details Raw Material & Hardness Performance Base raw material is high-quality C1018/C1022 carbon steel, subjected to professional quenching and tempering hardening treatment to reach stable ...
Company: Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.
70819. DIN965 Phillips Cross Countersunk Head Stainless Steel Machine Screw [Jun 13, 2026]
[Jun 13, 2026] Product Description Item Details Raw Material & Mechanical Performance Grade Two premium stainless steel grades are supplied for differentiated project demands: A2-70 (SS304) as the cost-effective general grade for ...
Company: Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.
70820. Cylindrical Head Welding Shear Stud Screw ISO 13918 Na Type [Jun 13, 2026]
[Jun 13, 2026] Product Description Item Details Raw Material & Structural Mechanical Grade Premium structural carbon steel raw stock, with minimum tensile strength reaching ≥450N/mm², fully compliant with ISO 13918 ...
Company: Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.
70821. Hex Washer Head Self Drilling Screw with EPDM Washer [Jun 13, 2026]
[Jun 13, 2026] Product Description Item Details Raw Material & Strength Grade Two major material series for flexible project matching: stainless steel (A2-SS304, A4-SS316/316L, duplex 2205) for high anti-rust outdoor & coastal ...
Company: Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.
70822. Phillips Cross Wafer Head Self Drilling Screw, Carbon Steel Blue Zinc Plated [Jun 13, 2026]
[Jun 13, 2026] Product Description Item Details Base Material & Mechanical Strength Grade Two material solutions available: Grade 4.8 carbon steel as mainstream option for regular building fastening; stainless steel grades A2 ...
Company: Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.
70823. Round Head Square Neck Stainless Steel 304/316 A2-70 Carriage Coach Bolt, DIN603 Standard for ... [Jun 13, 2026]
[Jun 13, 2026] Item Details Material & Mechanical Grade Available in high-quality SS304 A2-70 and optional SS316 A4 stainless steel. Both grades feature high tensile strength, excellent hardness and stable mechanical ...
Company: Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.
70824. SS304 SS316 Stainless Steel DIN7504 Cross Recessed Countersunk Flat Head Self Tapping Screw [Jun 13, 2026]
[Jun 13, 2026] Product Description Item Details Base Raw Material Grade Premium stainless steel raw stock available in three corrosion-resistant grades: SS304, SS316 and upgraded SS316L low-carbon variant, featuring stable ...
Company: Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.
70825. Stainless Steel 304 DIN603 A2 Coach Bolt, Round Head Square Neck Carriage Bolt, M5-M20 [Jun 13, 2026]
[Jun 13, 2026] Item Details Raw Material & Mechanical Strength Options Premium stainless steel grades: SS304 (A2-70) for general use, and SS316 (A4-70) for enhanced corrosion resistance. Both offer reliable mechanical performance ...
Company: Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.
70826. DIN916 Stainless Steel 304 316 Hex Socket Cup Point Grub Set Screw Flat Point Allen Set Screw [Jun 13, 2026]
[Jun 13, 2026] Product Description Item Details Raw Material Composition Manufactured from premium stainless steel grades including SS304, SS316, SS316L and duplex 2205 stainless steel. Raw metal wire undergoes strict ...
Company: Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.
70827. Factory Supply Stainless Steel Phillips Countersunk Flat Head Self Tapping Screw for Wood Furniture ... [Jun 12, 2026]
[Jun 12, 2026] Product Description Item Details Base Raw Material & Performance Grade Main body adopts premium 1010/1022 carbon steel, standard mechanical strength grade 4.8 after precise heat treatment. Optional upgrade ...
Company: Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.
70828. China Factory Custom Carbon Steel Black Phosphated Drywall Chipboard Self Tapping Gypsum Screw for ... [Jun 12, 2026]
[Jun 12, 2026] Product Description Item Details Main Raw Material & Optional Upgrade The base material is high-strength carbon steel with heat treatment to gain sharp tapping cutting power for gypsum, particle board and timber ...
Company: Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.
70829. Black Oxide Grade 10.9 Carbon Steel DIN912 ANSI/ASME B18.3 Hexagon Full Thread Industrial Allen ... [Jun 11, 2026]
[Jun 11, 2026] Product Description Item Details Full Product Name DIN912 ANSI/ASME B18.3 Grade 10.9 Carbon Steel Half Thread Hexagon Socket Head Cap Screws Black Oxide Allen Bolts Raw Material & Strength Medium carbon ...
Company: Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.
70830. M5 Phillips Screw Cross Round Head GB818 Pan Head Machine Screws [Mar 27, 2026]
[Mar 27, 2026] Pan Head Machine Screw Made from premium 304/316 stainless steel, these pan head machine screws offer exceptional corrosion resistance and long-lasting durability. The rounded pan head ensures even force distribution ...
