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DIN 7984 Hexagon Socket Head Cap Screws With Low Head Full / Half Threaded
| Place of Origin | JIANG SU PROVINCE CHINA |
|---|---|
| Brand Name | YingYan |
| Certification | ISO9000 |
| Model Number | M8-M20 |
| Minimum Order Quantity | 1000pieces |
| Price | Negotiable |
| Packaging Details | Small Boxes, Plastic Bags, Bulk in Cartons, |
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xProduct Details
| Name | Hexagon Socket Head Cap Screws With Low Head | Standard | GB/DIN/ASME/EN/ISO&etc. |
|---|---|---|---|
| Surface Treatment | Black, Zinc Plated,Dacromet | Color | Black,White-blue，yellow |
| Material | Carbon Steel 10B21 | Grade | 8.8,10.9 |
| Size | Accroding Your Requirements | Length | Accroding Your Requirements |
| Highlight | DIN 7984 Socket Head Cap Screws,Half Threaded Socket Head Cap Screws,Full Threaded Hexagon Socket Screw |
||
Product Description
DIN 7984 Hexagon Socket Head Cap Screws With Low Head Full/Half Threaded Carbon Steel 10B21 Grade8.8 10.9
Name and purpose:
Cylindrical head hex head screws referred to as hex head screws, commonly known as cup head screws, it and hex head bolts are the most common head type in the fastener industry. By the way, why is it officially called a screw and not a bolt? The simple explanation is that the bolt generally needs to be used with the nut, and the screw generally does not need to be used with the nut but is self-tapping or directly installed on the internal thread of the body.
Commonly used grades and materials:
The common grades of carbon steel hex screws are 4.8, 8.8, 10.9, 12.9, etc., and the materials of each grade are low carbon steel, medium carbon steel, alloy steel.
Stainless steel hex screw commonly used grades are -50, -70, -80, etc., commonly used materials are 304, 316, 316L and so on.
Mechanical performance acceptance criteria:
Acceptance standard for mechanical properties such as tensile strength, hardness and guarantee stress of cylindrical head hex socket screws
Carbon steel according to ISO 898-1
Stainless steel press ISO3506-1For non-ferrous metals, press ISO8839
surface treatment:
Black, white zinc, blue and white zinc, color zinc, phosphating, dacromet, mechanical galvanizing, hot dip galvanizing, etc.
DIN7984
| Thread Size d |
M3 | M4 | M5 | M6 | M8 | M10 | M12 | (M14) | M16 | (M18) | M20 | (M22) | M24 | |
| P | Pitch | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 2.5 | 2.5 | 3 |
| b | L≤125 | 12 | 14 | 16 | 18 | 22 | 26 | 30 | 34 | 38 | 42 | 46 | 50 | 54 |
| 125＜L≤200 | / | / | / | / | 28 | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 | |
| L＞200 | / | / | / | / | / | / | / | / | 57 | 61 | 65 | 69 | 73 | |
| dk | max=nominal size | 5.5 | 7 | 8.5 | 10 | 13 | 16 | 18 | 21 | 24 | 27 | 30 | 33 | 36 |
| min | 5.32 | 6.78 | 8.28 | 9.78 | 12.73 | 15.73 | 17.73 | 20.67 | 23.67 | 26.67 | 29.67 | 32.61 | 35.61 | |
| ds | max=nominal size | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 24 |
| min | 2.86 | 3.82 | 4.82 | 5.82 | 7.78 | 9.78 | 11.73 | 13.73 | 15.73 | 17.73 | 19.67 | 21.67 | 23.67 | |
| k | max=nominal size | 2 | 2.8 | 3.5 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| min | 1.86 | 2.66 | 3.32 | 3.82 | 4.82 | 5.82 | 6.78 | 7.78 | 8.78 | 9.78 | 10.73 | 11.73 | 12.73 | |
| s | Nominal Size | 2 | 2.5 | 3 | 4 | 5 | 7 | 8 | 10 | 12 | 12 | 14 | 14 | 17 |
| max | 2.1 | 2.6 | 3.1 | 4.12 | 5.14 | 7.175 | 8.175 | 10.175 | 12.212 | 12.212 | 14.212 | 14.212 | 17.23 | |
| min | 2.02 | 2.52 | 3.02 | 4.02 | 5.02 | 7.025 | 8.025 | 10.025 | 12.032 | 12.032 | 14.032 | 14.032 | 17.05 | |
| t | Nominal Size | 1.5 | 2.3 | 2.7 | 3 | 3.8 | 4.5 | 5 | 5.3 | 5.5 | 6.5 | 7.5 | 8 | 8 |
| max | 1.62 | 2.42 | 2.82 | 3.12 | 3.95 | 4.65 | 5.15 | 5.45 | 5.65 | 6.68 | 7.68 | 8.18 | 8.18 | |
| min | 1.38 | 2.18 | 2.58 | 2.88 | 3.65 | 4.35 | 4.85 | 5.15 | 5.35 | 6.32 | 7.32 | 7.82 | 7.82 | |
| e | min | 2.3 | 2.87 | 3.44 | 4.58 | 5.72 | 8.01 | 9.15 | 11.43 | 13.72 | 13.72 | 16 | 16 | 19.44 |
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