Product Details
Item | Custom Non-Standard Black High Grade HDG Bolts and Screw Nut |
Standard | DIN, BS, ANSI, JIS, GB, and others |
Raw Material |
1. Carbon steel: C1006, C1008, C1010, C1016A, C1018A, C1022, C1035K, C1045K 2. Iron: 1213, 12L14, 1215 3. Stainless steel: SS201, SS202, SS302, SS303, SS304, SS316, SS410, SS420, SS430 4. Alloy steel: SCM435, 10B21, 40Cr 5. Brass or brass alloy: H63 (CuZn37, C2720), H65 (CuZn35, C2700), H68 (CuZn33), H70 (CuZn30, C2600), H90 (CuZn10, C2200) 6. Bronze: C51000, C52100, C54400 7. Aluminum or aluminum alloy: Al6061, Al6063 8. Titanium and titanium alloy: TAD, TA1–TA8, TB2, TC1–TC10 9. Silver and silver alloy: AgCu3, AgCu7.5, AgSn3–5, AgPb0.4–0.7, AgPd3–5, AgNi10 |
Surface Finish | Zinc Plated, Ni Plated, Brass Plated |
Tin Plated, Black Plated, Copper Plated | |
Hot-working, hardness up to 6.8, 8.8, 9.8, 10.9, 12.9 grade | |
Shank Diameter | M0.8 – M16 |
Heat Treatment | Heat treatment with the material and the product |
Manufacturing Process | Wire Drawing, Cold Heading, Threading, Heat Treatment, Surface Plating, Packing |
Sample Availability | Samples are available. |
Port | Shenzhen, China |
MOQ | We accept test orders of small quantity. |
Price Terms | FOB, CIF, CFR, EXW, and other trade terms |
Payment Terms | T/T, L/C, Western Union, PayPal, etc. |
Lead Time | 7–30 days, depending on order quantity and specifications |
Warranty Policy | We guarantee quality satisfaction at 99.9% and offer a 6-month warranty |
After Sales Service | We strictly follow up on customer requests and assist in solving post-sale issues |
Notice | For custom products, please provide Size, Quantity, Grade, and Finish |





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