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| Customization: | Available |
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| Material: | Stainless Steel |
| Type: | Pan Head |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| DIN85 Pan Head Slotted Screw | |
| Material: | Carbon Steel, Stainless Steel, Brass etc. |
| Standards: | GB, DIN, ISO, ANSI/ASTM, BS, BSW, JIS, ETC |
| Size: | M3-M10 or non-standard asa request & design |
| Finish: | Plain, Black, Zinc, Yellow Zinc, HDG, Dacromet, etc. |
| Thread Size d |
M3 | (M3.5) | M4 | M5 | M6 | (M8) | (M10) | |
| P | Pitch | 0.5 | 0.6 | 0.7 | 0.8 | 1 | 1.25 | 1.5 |
| a | max | 1 | 1.2 | 1.4 | 1.6 | 2 | 2.5 | 3 |
| dk | max=nominal size | 6 | 7 | 8 | 10 | 12 | 16 | 20 |
| min | 5.7 | 6.64 | 7.64 | 9.64 | 11.57 | 15.57 | 19.48 | |
| k | max=nominal size | 1.8 | 2.1 | 2.4 | 3 | 3.6 | 4.8 | 6 |
| min | 1.66 | 1.96 | 2.26 | 2.86 | 3.3 | 4.5 | 5.7 | |
| n | Nominal Size | 0.8 | 1 | 1.2 | 1.2 | 1.6 | 2 | 2.5 |
| min | 0.86 | 1.06 | 1.26 | 1.26 | 1.66 | 2.06 | 2.56 | |
| max | 1 | 1.2 | 1.51 | 1.51 | 1.91 | 2.31 | 2.81 | |
| t | min | 0.7 | 0.8 | 1 | 1.2 | 1.4 | 1.9 | 2.4 |
| r | min | 0.6 | 0.7 | 0.8 | 1 | 1.2 | 1.6 | 2 |
| max | 1.2 | 1.4 | 1.6 | 2 | 2.4 | 3.2 | 4 | |
| x | max | 1.25 | 1.5 | 1.75 | 2 | 2.5 | 3.2 | 3.8 |
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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: What stainless steel grades do you supply for bolts? |
| A2: We supply multiple grades including A2-70, A2-80, A4-70, A4-80, 304, 316, and 410SS, suitable for different mechanical strength and corrosion-resistance requirements. |
| 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: Will stainless steel bolts rust over time? |
| A7: Under severe chemical or chloride exposure, A2 may develop slight surface corrosion. A4/316 performs better in harsh environments. We also offer passivation treatment for enhanced protection. |
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