Nitto Kohki

Nitto Kohko’s Selfer Ace series provides high-efficiency, portable hydraulic punchers designed for precision in metalworking. These tools are ideal for fabricators who require compact machines with high punching capacities. Built for both ease of use and portability, Nitto Kohko’s hydraulic punchers are perfect for job sites and tight spaces, providing robust performance for punching, shearing, and bending tasks.

Key Features

Dual Hydraulic Systems: The HS06-1322 and HS07-1624 feature double-acting hydraulic systems, allowing both automatic and manual (inching) operations. The HS11-1624 model offers similar functionality with enhanced specifications.
Punching Capacity: Capable of punching holes up to 24 mm in diameter. The HS11-1624 model can also achieve 25 mm and 26 mm holes with optional parts.
Material Compatibility: Suitable for punching mild steel up to 16 mm thick and stainless steel up to 6 mm thick.
Throat Depth: Varies by model, with the HS11-1624 offering a maximum throat depth of 110 mm.
Lightweight Design: The HS11-1624 model weighs approximately 30 kg, facilitating portability and ease of use.
Quick Tool Changes: The models feature quick-change punch holders, enabling faster setup and minimal downtime.

Selfer Ace Portable Double-Acting Hydraulic Puncher

HS11-1624
Max. Punching Diameter : 1-1/16″
Max. Punching Thickness : 5/8″*
1/4″ for 304 Stainless Steel
Max. Output : 52 tons
Max. Throat Depth: 4-5/16″
Punching Time 11.8 sec.
Returning Time 5.7 sec.
Allowable Max. Pressure: 10,000 psi
Weight: 66 lbs.

HS07-1624
Max. Punching Diameter : 15/16″
Max. Punching Thickness : 5/8″
1/4″ for 304 Stainless Steel
Max. Output : 52 tons
Max. Throat Depth: 2-3/4″
Punching Time 11.8 sec.
Returning Time 5.7 sec.
Allowable Max. Pressure: 10,000 psi
Weight: 56 lbs.

HS06-1322
Max. Punching Diameter : 7/8″
Max. Punching Thickness : 1/2″
1/4″ for 304 Stainless Steel
Max. Output : 41 tons
Max. Throat Depth: 2-3/8″
Punching Time 7.9 sec.
Returning Time 3.4 sec.
Allowable Max. Pressure: 10,000 psi
Weight: 45 lbs.

Selfer Portable Single-Acting Hydraulic Puncher

HA11-1624
Max. Punching Diameter : 1-1/16″
Max. Punching Thickness : 5/8″*
Max. Output : 49 tons
Max. Throat Depth: 4-5/16″
Punching Time 16.5 sec.
Returning Time 1 sec.
Allowable Max. Pressure: 10,000 psi
Weight: 78 lbs.

HA07-1624
Max. Punching Diameter : 15/16″
Max. Punching Thickness : 5/8″
Max. Output : 49 tons
Max. Throat Depth: 2-3/4″
Punching Time 16.5 sec.
Returning Time 1 sec.
Allowable Max. Pressure: 10,000 psi
Weight: 63 lbs.

HA06-1322
Max. Punching Diameter : 7/8″
Max. Punching Thickness : 1/2″
Max. Output : 34 tons
Max. Throat Depth: 2-3/8″
Punching Time 10.5 sec.
Returning Time 1 sec.
Allowable Max. Pressure: 10,000 psi
Weight: 47 lbs.