Bordo 8 x 4.5mm 180 Degree Counterbore Drill For M4 Screw - 3871-4.0

Description

Bordo 180 Degree Counterbore Drill (3871)

Bright finish HSS-Co5 (Cobalt) for extreme tool life.
Use to enlarge the top of an existing hole to create a cylindrical-shaped opening with a flat bottom that acts as a seat for the head of a screw or wood plug.
Ideal for use with standard cap screws or socket head screws.
Counterbore Drill use with standard cap screws.

Specifications

AIMS SKU A0205525

Brand Bordo

Model Number 3871-4.0

Barcode Number 9326518007418

Shank (mm) 8

Overall Length (OAL) mm 50

Screw Size (mm) M4.0

Counterbore Angle 180°

Diameter (D x d) 8 x 4.5mm

Step (L) mm 11

Type Counterbore
Material HSS-Co5
Surface Finish Bright

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