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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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China Fastener ISO 4026 Stainless Steel 304 Hexagon Hex Socket Set Screw Grub Screw with Flat Point |
Set Screw with Flat Point | |
Material: | Carbon Steel, Stainless Steel, Brass etc. |
Standards: | GB, DIN, ISO, ANSI/ASTM, BS, BSW, JIS, ETC |
Size: | M1.6-M30 or non-standard as request & 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 |
Thread Size D | M1.6 | M2 | M2.5 | M3 | M4 | M5 | M6 | ||
P | Pitch | 0.35 | 0.4 | 0.45 | 0.5 | 0.7 | 0.8 | 1 | |
dp | max | 0.8 | 1 | 1.5 | 2 | 2.5 | 3.5 | 4 | |
min | 0.66 | 0.86 | 1.25 | 1.75 | 2.25 | 3.2 | 3.7 | ||
e | min | 0.809 | 1.011 | 1.454 | 1.733 | 2.303 | 2.873 | 3.443 | |
s | Nominal Size | 0.7 | 0.9 | 1.3 | 1.5 | 2 | 2.5 | 3 | |
max | 0.724 | 0.913 | 1.3 | 1.58 | 2.08 | 2.58 | 3.08 | ||
min | 0.71 | 0.887 | 1.275 | 1.52 | 2.02 | 2.52 | 3.02 | ||
t | min | 1 | 0.7 | 0.8 | 1.2 | 1.2 | 1.5 | 2 | 2 |
2 | 1.5 | 1.7 | 2 | 2 | 2.5 | 3 | 3.5 | ||
L0 | Nominal Size | 2 | 3 | 3 | 3 | 4 | 5 | 6 | |
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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