Whitney Tool 10387 — Interchangeable Pilot Counterbore, 7/16" Dia, 5/32" Pilot, 3T, 3/8" Shank, HSS.
Short-Set Counterbore, 7/16" Cut Dia. X 5/32" Pilot Hole Dia.
- Cut Diameter: 7/16"
- OD Tolerance: +0.005"/+0.010"
- Pilot Diameter: 5/32"
- Number of Teeth: 3
- Tooth Configuration: 8° Rt. Hand Helix
- Shank Diameter: 3/8"
- Overall Length: 4-1/16"
- Shank Type: Straight
- Material: High Speed Steel
- Coating: No Coating
- WTC No: CBIP0437
Part of the Whitney Tool Interchangeable Pilot series (Counterbores). Made in Bedford, Indiana, USA.

