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| Customization: | Available |
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| Material: | Stainless Steel |
| Type: | Hexagon 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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| Zinc Plated Stainless Steel All Metal Lock Nut | |
| Material: | Carbon Steel, Stainless Steel, Brass etc. |
| Standards: | GB, DIN, ISO, ANSI/ASTM, BS, BSW, JIS, ETC |
| Size: | M3-M39 or non-standard asa request & design |
| Finish: | Plain, Black, Zinc, Yellow Zinc, HDG, Dacromet, etc. |
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| Screw Thread d |
M3 | M4 | M5 | M6 | M7 | M8 | M10 | M12 | M14 | M16 | |
| P | Pitch | 0.5 | 0.7 | 0.8 | 1 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 |
| Fine thread | - | - | - | - | - | 1 | 1 | 1.5 | 1.5 | 1.5 | |
| Fine thread | - | - | - | - | - | - | 1.25 | 1.25 | - | - | |
| e | min | 6.01 | 7.66 | 8.79 | 11.05 | 12.12 | 14.38 | 18.9 | 21.1 | 24.49 | 26.75 |
| h | max=nominal size | 3.7 | 4.2 | 5.1 | 6 | 7 | 8 | 10 | 12 | 14 | 16 |
| min | 3.4 | 3.9 | 4.8 | 5.7 | 6.5 | 7.5 | 9 | 11 | 12 | 14 | |
| s | max=nominal size | 5.5 | 7 | 8 | 10 | 11 | 13 | 17 | 19 | 22 | 24 |
| min | 5.32 | 6.78 | 7.78 | 9.78 | 10.73 | 12.73 | 16.73 | 18.67 | 21.67 | 23.67 | |
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| Q1: What thread standards do you follow? |
| A1: Our screws comply with DIN, ISO, ANSI, and JIS standards, and can also be customized according to customer drawings. |
| Q2: How do you pack the screws for export? |
| A2: Standard packing includes bulk cartons with inner boxes or small polybags, placed on pallets for container shipping. Custom boxes or barcoded packaging are available. |
| 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: What industries do your self-tapping screws serve? |
| A6: Our screws are widely used in automotive, electronics, construction, furniture, and machinery assembly industries. |
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