(-)Flat head machine screw(Coarse Steel Nickel(Silver) 4 X 20 Pitch 0.7
The head of a round machine screw is nearly hemispherical in shape, similar to today's truss head machine screw. The flat head machine screw has a low-profile cylindrical head. It was commonly manufactured in the past due to its simple production method.
Machine Screw Head Dimensions List Encyclopedia of Round & Flat Head Machine Screws
Machine Screw Head Dimensions List Encyclopedia of Round & Flat Head Machine Screws
Product Details
- Slotted (-) flat head machine screw Coarse pitch
- Nominal diameter (d) M4
- Length under head (ℓ) 20.0
- Pitch (P) 0.7
- Head diameter (dk) Nominal 7.0 Tolerance 0,-0.5
- Head height (k) Nominal 2.6 Tolerance ±0.15
- Slot width (n) Reference 1.0
- Slot depth (t) Reference 1.4
(-)Flat head machine screw(Coarse Steel Nickel(Silver) 4 X 20 Pitch 0.7
| Steel | Nickel(Silver) | 4 X 20 | View Details |
|---|
(-)Flat head machine screw(Coarse Steel Nickel(Silver) 4 X 20 Pitch 0.7 - Surface Finish Variants
| Material | Surface Treatment | Size | Individual Sale | View Details |
|---|---|---|---|---|
| Steel | Zinc plated(Silver) | 4 X 20 | Individual sale | View Details |
| Steel | Chromate(Ochre) | 4 X 20 | Individual sale | View Details |
| Steel | Trivalent white(Silver) | 4 X 20 | Individual sale | View Details |