SlideWright Alpine & Nordic Binding Mounting Drill Bits with Stops

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List Price: $29.99

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Durable and long lasting, conventional and long shank, Shop quality 5/16" stepped alpine ski drills are available in the following sizes. All fit 5/16" Binding Mounting Jigs, Jigarex Binding Mounting Jigs and Big Gator drill guides.

Product ID SWDBS
Manufacturer SlideWright

These bomber SlideWright Drill Stops clamp securely to the drill bits at your desired depth with the included small Hex Tool & 4mm Hex Driver Bit. With (2) each of the 3.5mm & 4.1mm drill bits and (1) each of the stops, you should be set to handle all of your alpine, BC, telemark & nordic ski binding hole drilling needs.

  • By CE regulation, all current skis have the recommended drill size printed on the ski, either in the mounting area, on the adjacent sidewall or on the tail with the ski dimensions. If there are no drill sizes provided on the ski (ie, custom skis), contacting the manufacturer for their recommendations is your best course of action. If unsure, drill with 3.5mm diameter tip. If metal is present, then use a 4.1mm bit.
  • The general rule on alpine ski drill bit sizes is 3.5mm for non-metal skis and 4.1 for metal. There are exceptions, such as a metal binding plate in a non-metal ski, carbon fiber top sheets, etc
  • The outside diameter of an alpine screw thread is just over 5mm. The inside diameter of the screw thread (shank) is just over 4mm which matches the tip of a 4.1 diameter bit. Softer materials such as wood or plastic will compress when driving a screw into a 3.5mm hole. Non-compressible materials like metal and carbon should be drilled with the larger diameter, 4.1mm hole so the shank does not compress and damage the material while being driven into the ski.
  • Binding Freedom & Quiver Killer stainless steel inserts & heli-coils require a 1/4" tipped bit.
  • The minimum depth for a screw for a binding mount is 6mm/1/4". Measure the screw less the binding thickness will provide you minimum drill tip length.
  • It is better to err towards a longer tip than one shorter than the embedded screw section length so the bindings can lay tight to the ski.
  • The 0.5mm difference between a 7mm vs 7.5mm or 9mm vs 9.5mm is negligible and the bits are interchangeable. (0.5mm is about the thickness of 5 sheets of paper.)
  • Make sure this will not exceed the thickness of the ski or snow board.
  • The excess depth of a hole deeper than the length of screw will be filled with the glue.
  • Tapping skis with metal and carbon top sheets using a 12AB tap is recommended. Tapping all holes regardless of topsheet type or drill tip diameter is recommended. The same tap works for 3.5mm & 4.1mm diameter holes.
  • Armada skis require a Double Step bit from 4.1 to 3.5mm. or Drill the top sheet w/ the 3.5mm bit and stop set at needed depth & then use the 4.1mm set to drill the top sheet only with the stop
  • Available to back order if not in stock.

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