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| Customization: | Available |
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| Material: | Carbon Steel |
| Type: | Round Head |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
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| DIN1587 Hex Domed Cap Nut | |
| Material: | Carbon Steel, Stainless Steel, Brass etc. |
| Standards: | GB, DIN, ISO, ANSI/ASTM, BS, BSW, JIS, ETC |
| Size: | M4-M24 or non-standard asa request & design |
| Finish: | Plain, Black, Zinc, Yellow Zinc, HDG, Dacromet, etc. |
| Grade: | A2-70, A4-70, A4-80, 4.8, 8.8, 10.9, 12.9 |
| Thread Size d |
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| Q1: Do you provide customized sizes or special nuts? |
| A1: Yes. We can manufacture non-standard nuts, special thread pitches, and custom surface treatments according to your drawings or samples. |
| Q2: What types of nuts do you manufacture? |
| A2: We supply a full range of nuts including hex nuts, flange nuts, lock nuts, nylon-insert nuts, square nuts, cap nuts, weld nuts, T-nuts, wing nuts, and non-standard custom nuts. |
| Q3: Do you provide samples before mass production? |
| A3: Yes, we offer free or low-cost samples for quality and dimension confirmation prior to order. |
| Q4: How do you control product quality? |
| A4: Every batch is tested for torque, hardness, thread precision, and salt spray corrosion resistance, following ISO 9001 quality system standards. |
| Q5: Do you offer OEM or customized production? |
| A5: Yes. We can produce screws according to samples, technical drawings, or specific drive/head combinations, and offer custom packaging and labeling. |
| Q6: Can the nuts be paired with your bolts, screws, and washers? |
| A6: Yes. As a fastener supplier, we can provide full sets (bolt + nut + washer) with matching specifications, surface treatment, and performance levels. |
| Q7: Can your nuts resist corrosion in outdoor or marine environments? |
| A7: Yes. We offer SS316, hot-dip galvanizing, Geomet, and Dacromet, which provide excellent corrosion resistance for coastal, marine, and outdoor projects. |
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