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Model#: SNXNSX278C

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Sunex SX278C 8mm Punch & Flange Tool

  • Sunex SX278C 8mm Punch & Flange Tool
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Sunex Tool's SX278C makes punching, cutting, flanging and crimping efficient and easy. The 360 degree rotating head enhances versatility by making it easy to crimp almost any angle of steel, and its lightweight yet durable housing offers maximum control and improved service life.
  • 360 degree swiveling head offers greater versatility and positioning
  • Punch, crimp and flange in up to 14-Gauge steel
  • Lightweight aluminum housing and compact size provides improved control and accuracy
  • Slim housing offers greater precision and control during operation
  • 8mm Punch & Flange Tool - SX278C
Compliance and Restrictions
warning: This product can expose you to Nickel (Metallic), which is known to the State of California to cause Cancer. For more information go to


Length: 10 in.
Weight: 3.5 lbs.
Air Inlet Size: 1/4 in.
Average Air Consumption (SCFM): 4
Cutting Capacity (Aluminum): 0.08 in.
Cutting Capacity (Steel): 0.05 in.
Fitting Type: NPT
Flange Capacity: 0.055 in.
Flange Throat Depth: 0.93 in.
Min. Hose Size: 3/8 in.
Punch Capacity: 0.055 in.
Punch Hole Size: 8mm (0.3125 in.)
Punch Throat Depth: 0.60 in.



5.0 / 5.0
1 Review
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1 Star
Yes, I would recommend this to a friend (1)
Powerful (1)
Yes, I would recommend this to a friend
Flanges 18ga steel
Using this tool for flanging body patches for a floorboard. The punch works great but a bit too large dia for spot welding through in my opinion. So far no problems at all.
January 28, 2016

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Sunex Warranty

Sunex® Tools Inc. Warrants to its customers that the company’s Sunex® Tools branded products are free from defects in workmanship and materials.

Sunex® Tools Inc. will repair or replace its Sunex® Tools branded products which fail to give satisfactory service due to defect in workmanship or materials, based upon the Terms and Conditions of the Warranty plans attributed to that specific product.

This Warranty does not cover damage to equipment or tools arising from alteration, abuse, misuse, damage and does not cover any repairs or replacement made by anyone other than Sunex® Tools or its Authorized Service Centers.

Return equipment or tools to Sunex® Tools or an Authorized Sunex® Warranty Center, SHIPPING PREPAID. Be certain to include your name, address and contact information, proof of purchase date, and a description of the suspected defect.

The foregoing obligation is Sunex® Tools’ sole liability under this or any implied warranty and under no circumstances shall Sunex® Tools be liable for any incidental or consequential damages.