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Price 1 Bag of 100 | ||||||||
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In stock for next working day delivery
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Specifications
| Finish | Clear Passivated, Galvanised | |
| Head Shape | Pan | |
| Material | Steel |
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Thread Forming Screws for Metal
Thread forming screws for metal having a tri-lobular cross-section capable of forming or rolling a metric thread into the material into which they are installed
Ideal for use with pre-drilled or punched holes in a wide range of ductile metals
Case hardened carbon steel, bright zinc plated & passivated
Available in either Pan head or Countersunk head forms
Supplied in bags of 100, & also available as kit of 250 assorted pan head screws
The kit contains 50 of each of the following sizes of pan head screws:
M3 x 5, M3 x 10, M4 x 6, M4 x 10, M4 x 12
| Recommended Tapping Drill Sizes | |||
| Screw Size | Tapping drill size for (mm) | ||
| Material Thickness | Mild Steel | Aluminium | |
| M3 | 0.5-2.0 | 2.7 | 2.6 |
| 1.5-3.5 | 2.75 | 2.7 | |
| 3.0-6.5 | 2.8 | 2.75 | |
| M4 | 0.5-2.0 | 3.6 | (Unsuitable) |
| 1.5-3.5 | 3.7 | 3.6 | |
| 3.0-6.5 | 3.7 | 3.7 | |
| 6.0-12 | 3.8 | 3.7 | |
| M5 | 1.5-3.5 | 4.5 | 4.5 |
| 3.0-6.5 | 4.6 | 4.5 | |
| 6.0-8.0 | 4.7 | 4.6 | |
| 8.0-12 | 4.7 | 4.7 | |
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