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| Customization: | Available |
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| Material: | Carbon Steel |
| Usage: | Furniture, Automobile, Industrial |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| Black Oxide Carbon Steel Retaining Ring with Lugs | |
| Material: | Carbon Steel, Stainless Steel, Brass etc. |
| Standards: | GB, DIN, ISO, ASME/ANSI, BS, BSW, JIS, ETC |
| Size: | M2.7-M39 or non-standard asa request & design |
| Finish: | Plain, Black, Zinc, Yellow Zinc, HDG, Geomet, Dacromet, etc. |
| Grade: | A2-70, A4-70, A4-80, 4.8, 8.8, 10.9, 12.9 |
| Axle Diameter Applicable | 16 | 17 | 18 | 19 | 20 | 22 | 23 | 24 | 25 | 26 | 28 | 30 | 32 | 35 | |
| s | max=nominal size | 1 | 1 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.5 | 1.5 | 1.5 | 1.5 |
| min | 0.94 | 0.94 | 1.14 | 1.14 | 1.14 | 1.14 | 1.14 | 1.14 | 1.14 | 1.14 | 1.44 | 1.44 | 1.44 | 1.44 | |
| d3 | Nominal Size | 14.7 | 15.7 | 16.5 | 17.5 | 18.5 | 20.5 | 21.5 | 22.2 | 23.2 | 24.2 | 25.9 | 27.9 | 29.6 | 32.2 |
| max | 14.8 | 15.8 | 16.6 | 17.6 | 18.63 | 20.63 | 21.71 | 22.41 | 23.41 | 24.41 | 26.11 | 28.11 | 29.81 | 32.45 | |
| min | 14.34 | 15.34 | 16.14 | 17.14 | 18.08 | 20.08 | 21.08 | 21.78 | 22.78 | 23.78 | 25.48 | 27.48 | 29.18 | 31.7 | |
| a | max | 3.5 | 3.6 | 3.7 | 3.7 | 3.8 | 4 | 4.1 | 4.2 | 4.3 | 4.4 | 4.5 | 4.7 | 5 | 5.2 |
| b | ≈ | 2.3 | 2.3 | 2.4 | 2.5 | 2.6 | 2.8 | 2.9 | 3 | 3 | 3.1 | 3.2 | 3.5 | 3.6 | 3.9 |
| d5 | min | 1.7 | 1.7 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2.5 | 2.5 |
| per 1000 units ≈ kg | 0.82 | 0.93 | 1.24 | 1.35 | 1.45 | 1.77 | 1.84 | 1.98 | 2.12 | 2.18 | 3.15 | 3.65 | 4 | 4.38 | |
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| Q1: What types of metal washers do you supply? |
A1: We manufacture a wide range of washers, including:
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| Q2: Do you provide hardened washers for high-strength bolts? |
A2: Yes. For applications requiring high preload or structural fastening, we offer:
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| 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 materials are available for your washers? |
A6: We offer washers in:
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| Q7: Can you produce sealing washers for waterproof or pressure applications? |
A7: Yes. We supply:
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