Model#: FENNBLK3-5

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Fein BLK 3.5 10-Gauge Sheet Metal Nibbler

  • Fein BLK 3.5 10-Gauge Sheet Metal Nibbler
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Uncompromisingly versatile, slim and powerful: the FEIN nibblers.
Due to their compact nature, FEIN Nibblers are one of the most versatile and curve-compatible cutting tools for trapezoid and corrugated sheet metal and profiles up to 6-gauge. Suitable not just for roofing and facade construction, but also in metal construction, control cabinet construction, locksmiths, and in the dismantling and recycling industries. The working direction of the FEIN Nibbler can be altered without the need for tools. This makes the nibbler adaptable to the most confined working spaces and left-handers are not forced to work with their weak hand. QuickIN allows for rapid, tool-free changing of the punch and die. And the virtually indestructible high-power motor ensures rapid work progress for all material thicknesses - up to 9.5 ft. per minute. Optimum ergonomics, long tool life and practical, application-oriented accessories ensure low operating costs and uncompromisingly good work results. Everything that you've come to expect from a FEIN power tool.
  • Powerful nibbler with unlimited curve-compatibility for groove and cut-outs
  • Best suited for grooves and cut-outs in sheet metals - machine can turn on the spot
  • Cutting direction can be adjusted in three steps without the need for tools
  • QuickIN rapid change system for rapid, tool-free punch and die changes
  • Optimum power-to-weight ratio
  • Long tool life, punches can be reground
  • Motor with outstanding performance and stability
  • Warp-free cutting of flat and bent sheet metal
  • Optimally suited for template cuts
  • Chip protection mesh on vent slots
  • handle can be rotate 180 
  • 16 ft. cable
  • Stainless steel up to 15-gauge
  • Wide range of accessories
  • 10-Gauge Sheet Metal Nibbler - BLK 3.5
  • Cutting Head
  • Die - 3 13 09 093 00 3
  • Punch - 3 13 09 097 00 2
  • Handle
Compliance and Restrictions
warning: This product can expose you to Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause Cancer and Birth Defect/Reproductive Harm. For more information go to


Weight: 7.9 lbs.
Cutting Capacity (Aluminum): 10 Gauge
Cutting Capacity (Mild Steel): 13 Gauge
Cutting Capacity (Stainless Steel): 15 Gauge
Cutting Width: 9/16 in.
Inner Cutting Radius (Min.): 1/4 in.
Operating Speed (SPM): 750



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FEIN One Year Standard Warranty

Every FEIN power tool is carefully inspected, tested, and is subject to FEIN Quality Assurance's stringent controls. FEIN grants a manufacturer guarantee for precise construction and faultless material on its power tools for the duration of (1) one year - appropriately as of purchase date.

3-year FEIN PLUS guarantee:

3 year guarantee This guarantee period is extended to 3 years for all FEIN power tools purchased after 1/1/2005 (Except FEIN High-Frequency Power Tools, FEIN Accu Tec Screw Guns, FEIN Balancer, FEIN Pipe Processing Tools, FEIN Compressed Air Tools, FEIN Battery Packs and Battery Chargers) if the purchaser has registered within 6 weeks of the purchase date. Registration has to be done by the customer himself on the Internet. Register online here. The proof of registration, which has to be printed out immediately, is valid as the confirmation along with the original sales receipt, which shows the purchase date. Registration can be done only if the customer accepts the storage of the queried information.

In case of a material or construction fault, a free repair will be done or in case a repair is impossible the free replacement of the device with a new one (or possibly a follow-up model).

This warranty does not cover damages that are the result of improper use such as nonobservance of the instructions, overload, operation with wrong voltages, wrong type of electricity, or unsuited accessories, as well as external influence such as dropping or striking. Not covered by the warrantee are furthermore wear from operational use under normal conditions.

Services covered by this guarantee declaration are provided solely by FEIN and by companies explicitly authorized for this by FEIN.

In case of assertion of claims from this warranty the power tool concerned has to be completely submitted or sent in along with the original sales receipt (that shows the purchase date and the product name). Partially or completely disassembled power tools cannot be accepted.

Contractual or legal warranty claims towards the retailer remain untouched by this manufacturer guarantee.

Please note that the 3-year FEIN PLUS guarantee is valid only in certain countries. Please see for a list of these countries.