7/8X0.875PD CT C/S CTBRE
SUPER TOOL 95158750 Carbide Tipped Cap Screw Counterbores For Steel Straight Shank Cap Screw 7/8 0.8750 Right hand 7/8 1.3220 +.001 /-0 8-1/8 Carbide tips brazed on to hardened steel bodies.

7/8X0.875PD CT C/S CTBRE

Item #: 24-120-224
Size Type: ANSI
Size: 7/8"
Cutting Diameter: 1.322"

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Carbide tipped lasts up to 8-10 times longer than H.S.S.


  • The only carbide tipped cap screw counterbore on the market.
  • Available in ANSI screw sizes.


  • Oversize counterbores are useful when additional clearance around a nut or socket head cap screw is needed.
  • Designed with appropriate carbide grade and geometry for steel applications.
  • End cutting edges are sharpened slightly ahead of center to provide a shearing action and eliminate chatter.


  • Pilot is a built-in part of the tool's steel body construction.
  • Pilot is manufactured in nominal as well as 1/64" and 1/32" over-size diameters.
  • Chamfer and relief angle on the front of the tool for spot facing.
  • Carbide tips brazed on to hardened steel bodies.
  • Right spiral flutes for cutting at fast speeds with no chip clogging.
Product Specifications
Size Type ANSI
Size 7/8"
Cutting Diameter 1.322"
Pilot Diameter 7/8"
Tool Material Carbide Tipped
Pilot Type On Size
Application Integral Pilot, one piece construction Counterbores provide a more accurate hole when requirement is to allow space to accommodate the head of a screw or bolt.
Cutting Direction Right Hand
No. of Flutes 4
Overall Length 8-1/8"
Pilot Length 7/8"
Prop. 65 Yes
Shank Diameter 7/8"
Shank Type Straight Shank
Thread Direction Right Hand
Tolerance_Shank Diameter +0"/-.0005"
Tolerance_Tool Diameter +.001" /-0"
Type Carbide Tipped Cap Screw Counterbores For Steel
Type of Screw Cap Screw
Weight 3.18 lbs.
Prop 65 Warning Many metalworking products do contain metals that are included in the latest Prop 65 warning. Exposure to the elements can be harmful. May cause cancer and reproductive harm.