Handan Yongnian Hongji Machinery Parts Co., LTD.,
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DIN7504K Hex Washer Head Self-Drilling Screws, Yellow Zinc Plated Fasteners with Clear PVC Washer
Material：C1022A Carbon Steel
Surface Treatment：Yellow Zinc Plated
Washer：Transparent PVC Plastic Washer
Drive Type：External Hex Flange Head
Size：ST4.2, ST4.8, ST5.5, ST6.3；Length 13mm–165mm
MOQ：Negotiable
Packing：25kg export carton, small box packaging available
Sample：Free samples, buyer bear freight
Brand: HongJi
410 Stainless Steel Hex Flange Self Drilling Screws with EPDM Bonded Washer, Roofing Tek Screws
Surface Finish: Bright Finish (No plating)
Washer: Carbon Steel + EPDM Bonded Sealing Washer
Standard: DIN7504K
Length Range: 13mm - 165mm
Brand: HongJi
Carbon Steel Color Zinc Plated Carriage Bolt Round Head Square Neck Bolt
Standard: DIN603
Material: Carbon Steel
Surface Treatment: Color zinc plated
Head Type: Mushroom Round Head
Thread Type: Metric Thread
Application: Guardrail, Cable Tray, Machinery Equipment, Furniture
Custom Service: Support OEM & ODM
Packing: Carton Box + Pallet
Feature: Square Neck Anti‑Rotation, Easy Installation
Black Oxide Carriage Bolt DIN603 Carbon Steel Round Mushroom Head Square Neck Screw Bolt
Standard: DIN603
Material: Carbon Steel
Surface Treatment: Black Oxide
Head Type: Mushroom Round Head
Thread Type: Metric Thread
Application: Guardrail, Cable Tray, Machinery Equipment, Furniture
Custom Service: Support OEM & ODM
Packing: Carton Box + Pallet
Feature: Square Neck Anti‑Rotation, Easy Installation
Flange Bolt, Zinc Nickel Plated, 8.8 Grade, Hex Flange Bolt,DIN6921
Standard: DIN6921
Grade / Material: Carbon Steel, Grade 8.8
Head Type: Hex Flange Head
Thread Type: Full Thread / Partial Thread
Surface Treatment: Black Passivated Zinc‑Nickel Plated
Application: Automotive, Machinery, Chassis Fastening, Industrial Equipment
Feature: High Corrosion Resistance, No Washer Needed
OEM/ODM: Acceptable
Brand: Neutral
Packing: Carton & Pallet
MOQ: Small MOQ Acceptable
Certificate: ISO9001
Standard: DIN963
Material: 304 Stainless Steel
Head Type: Countersunk / Flat Countersunk Head
Drive Type: Slotted (One‑way slot / Flat slot)
Thread Type: Machine Thread
Sizes: M3, M4, M5, M6, M8
Surface Finish: Natural Stainless Steel Finish
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The company's main products cover bolts, nuts, anchor, screws, washers and customized parts, casting parts, built-in fitting parts and steel
