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Cobalt steel screw machine drill bit, size 7, straw finish, 135-degree split point

Chicago-Latrobe

Chicago-Latrobe 50862 Screw Machine Drill Bit #7 135° Cobalt Steel

SKU CH-X46E-590C0

#7 cobalt steel drill bit with 135° split point for precise right-hand cutting

  • Product typeDrill Bits
  • Main materialCobalt Steel
  • #7 size drills 0.2010 in holes precisely
  • 135° split point starts fast without walking
  • Cobalt steel resists heat in tough alloys
  • Right-hand cut suits standard drill chucks
  • Straw finish identifies cobalt grade instantly

Chicago-Latrobe 50862 Cobalt Drill Bit

This Chicago-Latrobe 50862 drill bit is a #7 size screw machine bit made from cobalt steel. It features a 135-degree split point designed for drilling in metal. The decimal equivalent is .2010 inches. It is a new power tool accessory supplied without coolant-through capability.

Suited for metal drilling with split-point start

This bit suits machinists and technicians drilling precise holes in steel and other hard alloys where the split point reduces walking. The right-hand cutting direction matches standard drill presses and hand drills. Buyers needing coolant-through feed for deep-hole chip evacuation or a different point angle for specialised materials should look at other tooling.

135-degree split point on cobalt steel

The defining specification is the 135-degree split point ground on cobalt steel. This combination determines how the bit centres itself and withstands heat in tough alloys. Verify that the .2010 diameter matches the hole size required for your application before purchasing.

How it compares

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

Price $2.99
Cheaper than about 97% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameCHICAGO-LATROBE
Product typeDrill Bits
Size & build
Main materialCobalt Steel

Questions about this item

What chuck size does the #7 0.2010 inch drill bit require?

The bit has a 0.2010 inch diameter shank, so it fits any standard drill chuck that accepts that size.

How do I start the hole correctly with the 135 degree split point?

Apply steady pressure on centre punch mark; the 135 degree split point self-centres without a pilot hole.

When should I replace this cobalt steel bit?

Replace when the cutting lips wear unevenly or the straw-coloured surface turns blue from overheating.

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