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Silver metal twist drill bit with black oxide finish, cylindrical shank, spiral flutes, pointed tip

Drill America

Drill America HSS Black Oxide Jobber Drill Bit 33/64in

SKU CH-S5XG-NWH06

HSS black oxide jobber drill bit sized 33/64 inch with 4-13/16 flute length and 6-5/8 overall length

  • Product typeDrill Accessories
  • 33/64 inch diameter drills precise holes in metal
  • High-speed steel construction resists heat during extended use
  • Black oxide finish reduces friction and prevents corrosion
  • 6-5/8 inch overall length reaches deep workpieces

33/64-inch HSS jobber drill bit

This high-speed steel drill bit has a black oxide surface treatment and a 33/64 inch diameter. The decimal equivalent is .5156. It is designed for general-purpose drilling in metal, wood and plastic where a jobber length is required.

Flute length 4-13/16 inches

The flute length of 4-13/16 inches and overall length of 6-5/8 inches set the maximum hole depth and reach for this bit. Users needing deeper holes or a different shank style should select a bit with longer flutes or a reduced shank design.

How it compares

Measured against everything we stock in Bits, Hole Saws & Accessory Kits, at today’s prices. Recalculated every night.

Price $11.99
Cheaper than about 84% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameDrill America
Product typeDrill Accessories

Questions about this item

Should I choose the 33/64 inch size or a different diameter for my project?

The 33/64 inch bit drills a .5156 inch hole; select this exact size when the drawing or fastener calls for that diameter, otherwise pick the size that matches your required hole.

What does the 4-13/16 inch flute length mean when the bit is in my drill press?

It gives you up to 4-13/16 inches of effective drilling depth before chips must be cleared, while the 6-5/8 inch overall length fits standard chucks and provides reach.

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