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MASC slot punch pliers 3.5x15 mm for sheet metal punching

MASC slot punch pliers 3.5x15 mm for sheet metal punching

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€119,99 EUR excl. VAT | €142,78 EUR incl. VAT
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🚚 Delivery time (working days in DE): ≈ 2-4

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SKU: SKU:LLZ

Fast & one-handed punching – Perfect slotted holes (3.5 x 15 mm) in a single press for thermal expansion
Integrated return spring – Automatically strips the punched sheet metal from the punch for uninterrupted work
Adjustable depth stop – Precisely adjustable from 9 to 21 mm for consistent hole spacing from the edge
Saves time & material – Replaces elaborate sliding sheets and cleats when loosely nailing with roofing nails
Robust MASC quality – High leverage for effortless punching in zinc, copper, aluminum, steel, and V2A stainless steel

The professional solution for temperature-related sheet metal expansion


The MASC slot punch is a specialized tool for one-handed punching of slotted holes (3.5 x 15 mm) in sheet metal. It is designed for tinsmiths, plumbers, and roofers who need to professionally compensate for temperature-related linear expansion in eaves flashing, longitudinal covers, and verge cladding. The adjustable depth stop (9 to 21 mm) ensures consistent hole spacing from the edge of the sheet, while the integrated return spring automatically releases the punch after every operation.

Key features & specifications

  • Slot punch dimension: 3.5 x 15 mm
  • Adjustable depth stop: 9 to 21 mm, continuously adjustable
  • Return spring: automatically strips the sheet from the punch
  • Maximum sheet thickness aluminum: up to 1.0 mm
  • Maximum sheet thickness titanium zinc: up to 0.8 mm
  • Maximum sheet thickness copper: up to 0.7 mm
  • Maximum sheet thickness sheet steel: up to 0.6 mm
  • Maximum sheet thickness stainless steel (V2A): up to 0.5 mm
  • Operation: one-handed

How it compares

Feature This product Why it matters
Punch dimension (slot) 3.5 x 15 mm Creates slots in the correct format for flexible nail fastening during thermal sheet metal expansion, without the need to manufacture sliding sheets
Adjustable depth stop 9 to 21 mm Allows for consistent hole spacing from the edge of the sheet across various profile widths
Operation One-handed punching with integrated return spring Automatically strips the punched sheet from the punch and allows for uninterrupted work on the roof
Maximum sheet thicknesses Aluminum up to 1.0 mm, titanium zinc up to 0.8 mm, copper up to 0.7 mm, sheet steel up to 0.6 mm, stainless steel (V2A) up to 0.5 mm Clearly indicates the material thicknesses the pliers can handle, allowing for suitability to be checked before purchase

Recommended areas of application

  • Preparation of eaves flashing for flexible fastening with roofing nails
  • Punching slotted holes for longitudinal covers and verge cladding
  • Work on angled connections where thermal linear expansion must be compensated
  • Replacement for sliding sheets and additional cleats during loose nailing of metal profiles
  • Processing of various sheet metal types such as zinc, copper, aluminum, steel, and V2A stainless steel within the specified material thicknesses

Why the MASC slot punch belongs in your toolbox

The crucial advantage of these pliers lies in the enormous time savings and ease of installation on the roof. You do not need a second tool for deburring or finishing. The result is perfect slotted holes for stress-free metal connections that comply with all professional standards of the tinsmith trade.

Get efficient punching power on the construction site. Order the MASC slot punch now in the roofing shop from your roof specialist Roofify!

Your desired product is missing? Contact us – we'll make it happen. 📧 sales@roofify.de

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MASC slot punch pliers 3.5x15 mm for sheet metal punchingLLZ
MASC slot punch pliers 3.5x15 mm for sheet metal punchingLLZ
€119,99/ea
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€119,99/ea €0,00