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| Customization: | Available |
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| Type: | Spring Washer |
| Material: | Carbon Steel |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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Factory Price DIN 127 Standard Zinc Plated Carbon Steel Split Spring Lock Washer |
Zinc Plated Carbon Steel Spring Lock Washer | |
Material: | Carbon Steel, Stainless Steel, Brass etc. |
Standards: | GB, DIN, ISO, ANSI/ASTM, BS, BSW, JIS, ETC |
Size: | M3-M48 or non-standard as requested & designed |
Finish: | Plain, Black, Zinc, Yellow Zinc, HDG, Dacromet, etc. |
Grade: | A2-70, A4-70, A4-80, 4.8, 8.8, 10.9, 12.9 |
Nominal Diameter | Φ3.5 | Φ4 | Φ5 | Φ6 | Φ7 | Φ8 | Φ10 | Φ12 | |
d | min | 3.6 | 4.1 | 5.1 | 6.1 | 7.1 | 8.1 | 10.2 | 12.2 |
max | 3.9 | 4.4 | 5.4 | 6.5 | 7.5 | 8.5 | 10.7 | 12.7 | |
n | Nominal Size | 1.3 | 1.5 | 1.8 | 2.5 | 2.5 | 3 | 3.5 | 4 |
max | 1.4 | 1.6 | 1.9 | 2.65 | 2.65 | 3.15 | 3.7 | 4.2 | |
min | 1.2 | 1.4 | 1.7 | 2.35 | 2.35 | 2.85 | 3.3 | 3.8 | |
h | Nominal Size | 0.8 | 0.9 | 1.2 | 1.6 | 1.6 | 2 | 2.2 | 2.5 |
max | 0.9 | 1 | 1.3 | 1.7 | 1.7 | 2.1 | 2.35 | 2.65 | |
min | 0.7 | 0.8 | 1.1 | 1.5 | 1.5 | 1.9 | 2.05 | 2.35 | |
H | min | 1.6 | 1.8 | 2.4 | 3.2 | 3.2 | 4 | 4.4 | 5 |
max | 1.9 | 2.1 | 2.8 | 3.8 | 3.8 | 4.7 | 5.2 | 5.9 | |
per 1000 units ≈ kg | 0.12 | 0.18 | 0.36 | 0.83 | 0.93 | 1.6 | 2.53 | 3.82 | |
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: 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: What is the difference between A2 and A4 stainless steel bolts? |
A6: A2 (304) is ideal for standard outdoor and industrial use, while A4 (316) contains molybdenum, offering higher corrosion resistance for marine, chemical, and salt-spray environments. |
Q7: Do you provide matched nut & bolt or nut & washer kits? |
A7: Yes. We can supply pre-packed sets or assembly kits customized for distributors or hardware chains. |
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