Self Tapping Screws
DIN7971 / ISO 1481 slotted pan head tapping screw
DIN7972 / ISO 1482 slotted countersunk (CSK) head tapping screw
DIN7973 / ISO 1483 slotted raised countersunk (oval) head tapping screw
DIN7981 / ISO 7049 cross recessed pan head tapping screws
DIN7982 / ISO 7050 cross recessed countersunk (CSK) head tapping screw
DIN7983 / ISO 7051 cross recessed raised countersunk (oval) head tapping screw
ASME B18.6.4 & SAE J933 specifications
Self tapping screws are most often used to fasten sheet metal composite materials, woods and plastics. They have a high tensile strength value, and are durable enough to handle repeated assembly and disassembly.
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- modified truss head self tapping screw
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- pan head self tapping screw
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- stainless steel pan head self tapping screw
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- wafer head self tapping screw
DIN 7981 Weight (KG/M)
| l\d | 2.2 | 2.9 | 3.5 | 3.9 | 4.2 | 4.8 | 5.5 | 6.3 |
| 4.5 | 0.16 | |||||||
| 6.5 | 0.2 | 0.4 | 0.64 | 0.86 | ||||
| 9.5 | 0.26 | 0.51 | 0.79 | 1.05 | 1.22 | 1.85 | ||
| 13 | 0.33 | 0.63 | 0.97 | 1.27 | 1.46 | 2.2 | 3.2 | 3.9 |
| 16 | 0.39 | 0.74 | 1.12 | 1.46 | 1.67 | 2.5 | 3.6 | 4.44 |
| 19 | 0.85 | 1.27 | 1.65 | 1.88 | 2.8 | 4 | 4.98 | |
| 22 | 0.96 | 1.42 | 1.84 | 2.1 | 3.1 | 4.38 | 5.52 | |
| 25 | 1.08 | 1.57 | 2.03 | 2.3 | 3.4 | 4.76 | 6.06 | |
| 32 | 1.36 | 1.92 | 2.48 | 2.8 | 4.1 | 5.67 | 7.32 | |
| 38 | 2.23 | 2.86 | 3.4 | 4.7 | 6.45 | 8.4 | ||
| 45 | 3.25 | 3.9 | 5.4 | 7.36 | 9.67 |
| l\d | 2.2 | 2.9 | 3.5 | 3.9 | 4.2 | 4.8 | 5.5 | 6.3 |
| 4.5 | 0.1 | |||||||
| 6.5 | 0.14 | 0.28 | 0.42 | |||||
| 9.5 | 0.2 | 0.35 | 0.54 | 0.66 | 0.77 | 1.1 | ||
| 13 | 0.27 | 0.48 | 0.72 | 0.88 | 1.02 | 1.45 | 2.11 | 2.53 |
| 16 | 0.33 | 0.58 | 0.87 | 1.07 | 1.23 | 1.75 | 2.49 | 3.07 |
| 19 | 0.69 | 1.02 | 1.26 | 1.44 | 2.05 | 2.87 | 3.61 | |
| 22 | 0.8 | 1.17 | 1.45 | 1.65 | 2.35 | 3.26 | 4.15 | |
| 25 | 0.91 | 1.32 | 1.64 | 1.86 | 2.65 | 3.65 | 4.69 | |
| 32 | 1.67 | 2.08 | 2.35 | 3.35 | 4.56 | 5.95 | ||
| 38 | 1.99 | 2.46 | 2.79 | 3.95 | 5.43 | 7.03 | ||
| 45 | 2.91 | 3.26 | 4.65 | 6.35 | 8.29 | |||
| 50 | 3.61 | 5.15 | 7.03 | 9.19 |
| l\d | 2.2 | 2.9 | 3.5 | 3.9 | 4.2 | 4.8 | 5.5 | 6.3 |
| 4.5 | 0.14 | |||||||
| 6.5 | 0.18 | 0.33 | ||||||
| 9.5 | 0.24 | 0.44 | 0.72 | 0.89 | 1.07 | 1.53 | ||
| 13 | 0.31 | 0.57 | 0.9 | 1.11 | 1.32 | 1.88 | 2.64 | 3.46 |
| 16 | 0.37 | 0.67 | 1.05 | 1.3 | 1.53 | 2.18 | 3.12 | 4 |
| 19 | 0.78 | 1.2 | 1.49 | 1.74 | 2.48 | 3.5 | 4.54 | |
| 22 | 0.88 | 1.35 | 1.68 | 1.95 | 2.78 | 3.89 | 5.08 | |
| 25 | 0.98 | 1.5 | 1.87 | 2.16 | 3.08 | 4.28 | 5.62 | |
| 32 | 1.85 | 2.31 | 2.65 | 3.78 | 5.19 | 6.88 | ||
| 38 | 2.14 | 2.64 | 3.07 | 4.32 | 5.97 | 7.96 | ||
| 45 | 3.03 | 3.57 | 4.96 | 6.8 | 9.1 |
