5 Piece 120 degree Countersink Set
Prepare holes for flush-mounted rivets with these high-speed steel countersinks. All countersinks are made of high-speed steel, 3-fluted and 1/4″-28 threaded.
- Set Includes: #40, #30, #21, #10 & 1/4″
- Body Diameter: 1/2″
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