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Drillco 350N Series Nitro 29 Piece High-Speed Steel Mechanics Length Drill Bit Set, Black and Gold Oxide Finish, Round with Flats Shank, Spiral Flute, 135 Degrees Split Point, 1/16" - 1/2" in 1/64" increments
Drillco Cutting Tools

Drillco 350N Series Nitro 29 Piece High-Speed Steel Mechanics Length Drill Bit Set, Black and Gold Oxide Finish, Round with Flats Shank, Spiral Flute, 135 Degrees Split Point, 1/16" - 1/2" in 1/64" increments

Drillco Cutting Tools Part # 350N29 | UPC: 045997491332
Availability:
in stock
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$108.55 - $108.55
$108.55
$108.55 - $108.55
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Return Policy
We accept returns on most items within 30 days of purchase. However, the following items are NOT eligible for return:

  • Built-to-order or custom-made products (e.g., Rolair Air Compressors)
  • Gas-powered equipment (e.g., Generators, Power Washers, Chainsaws)
  • Pneumatic tools (e.g., Nail Guns, Paint Sprayers)
  • Ladders, scaffolding, or climbing equipment
  • Fall protection equipment (e.g., Lanyards, Harnesses)
  • Batteries
  • Used consumables or accessories (e.g., Sandpaper, Saw Blades)
  • Guide rails longer than 95 inches
  • Cast iron equipment (e.g., Table Saws, Drum Sanders)
  • Clothing (all sales are final)

For more details on eligible items and our full return instructions, please click here to view our complete policy.

Features:

  • High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
  • Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools
  • These round shank tools have flats ground onto three sides to reduce slippage of the bit when used in drill chucks
  • When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
  • 29 screw machine length drill bits ranging in size from 1/16" to 1/2" in 1/64" increments

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Details: Drillco 29 piece mechanics length drill set. The Nitro heavy duty 135 degree split point drill with nitride surface treatment, that give a hard, protective layer to the drill (increases hardness without increasing brittleness), which is measurably harder than High-Speed Steel. Body and clearance are black and gold surface treated for maximum lubricity. Recommended for use in stainless steel and other hard metal drilling. High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance. Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge. Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools. These round shank tools have flats ground onto three sides to reduce slippage of the bit when used in drill chucks. When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging. What's in the Box? 29 screw machine length drill bits ranging in size from 1/16" to 1/2" in 1/64" increments

UPC: 045997491332

EAN: 0045997491332

Part Number: 350N29

Model: 350N29

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