Amada Tooling Price list 2023

Punch Press

Burring Hole Reference

The table below shows the pre-pierce (mm) and burred hole (mm) sizes for Mild Steel.

Pre-Pierced Hole (øA)

Nominal Burr Hole (øB)

Material Thickness

0.8 mm 1.0 mm 1.2 mm 1.6 mm 2.0 mm 2.3 mm

Tap Size

M2.6 x 0.45

1.2 1.2

1.2 1.5 2.0 2.0 2.0

1.4 1.5 2.0 2.0 2.0

1.6 1.7 2.1 2.6 3.4

- -

- -

2.21 2.57 3.40 4.30 5.10

M3 x 0.5 M4 x 0.7 M5 x 0.8 M6 x 1.0

- - -

2.3 3.0 3.8

2.7 3.1 3.8

ø A

t

ø B

Countersink Hole Reference

The table below shows the nominal pre-pierce hole (mm) sizes required for a countersink operation for Mild Steel.

Screw Size

Material Thickness (mm)

M2 x0.4

M2.5 x0.45

M2.6 x0.45

M3 x0.5

M4 x0.7

M5 x0.8

M6 x1.0

1.0 1.2 1.5 1.6 2.0 2.3 2.5 3.0 3.2

3.5 3.5 3.2 3.0 3.0 3.0

4.5 4.5 4.2 4.0 3.8 3.8

4.8 4.5 4.5 4.3 4.0 4.0

5.7 5.3 5.3 5.0 4.8 4.8 4.5 4.4 4.0

-

- -

- - -

7.3 7.3 7.0 7.0 6.8 6.5 6.0 5.8

9.0 8.8 8.6 8.5 8.4 8.0 7.8

10.8 10.6 10.5 10.4 10.0

- - -

- - -

- - -

9.8

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