These heavy duty, round hollow punches are useful for coring of samples, or punching substrates and filters from thin and soft materials such as paper, rubber, plastics, leaves and soft metals. The practical and proven design includes:

• heavy duty cutting tube with handle
• made from high quality C35 – C45 tool steel
• hardened cutting edge; HRC 47-52
• polished cutting edge
• polished inside
• red painted handle

These punches are offered in diameters useful for EM:

• Ø3mm diameter for TEM samples
• Ø6, 9, 12, 19, 25, 32 and 38mm compatible with most popular SEM stubs
• Ø13, 25, 35 and 47mm compatible with widely used filter sizes