Countersinks
These countersinks are primarily for use on portable drills and clamp to the center drill with a set screw. Available in 3/8 to 3/4" for center drills sized 1/8 to 3/8".
Additional countersinks can be found in our Drill Bits for Boring Machines section.
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Southeast Tool
Clamp-On Countersink, 1/2 OD, 7/32 ID, Southeast Tool SE14402Countersink Drill, Adjustable - Style 4CT (for Flat Head Screws), Carbide Tipped - Southeast Tool SE…
MSRP: $83.56$67.14 -
Southeast Tool
Clamp-On Countersink, 1/2 OD, 3/16 ID, Southeast Tool SE14401Countersink Drill, Adjustable - Style 4CT (for Flat Head Screws), Carbide Tipped - Southeast Tool SE…
MSRP: $78.21$62.84 -
Southeast Tool
Clamp-On Countersink, 3/8 OD, 3/16 ID, Southeast Tool SE144000Countersink Drill, Adjustable - Style 4CT (for Flat Head Screws), Carbide Tipped - Southeast Tool SE…
MSRP: $78.21$62.84 -
Southeast Tool
Clamp-On Countersink, 1/2 OD, 1/8 ID, Southeast Tool SE14400Countersink Drill, Adjustable - Style 4CT (for Flat Head Screws), Carbide Tipped - Southeast Tool SE…
MSRP: $83.56$67.14 -
Southeast Tool
Clamp-On Countersink, 3/4" Dia for 3/8" Drill, Southeast Tool SE10413Taper Shell, Countersink Drill - Style 4 (for Flat Head Screws) - Southeast Tool SE10413; 3/4 Cuttin…
MSRP: $34.52$27.73 -
Southeast Tool
Clamp-On Countersink, 3/4" Dia for 5/16" Drill, Southeast Tool SE10412Taper Shell, Countersink Drill - Style 4 (for Flat Head Screws) - Southeast Tool SE10412; 3/4 Cuttin…
MSRP: $34.52$27.73 -
Southeast Tool
Clamp-On Countersink, 5/8" Dia for 5/16" Drill, Southeast Tool SE10411Taper Shell, Countersink Drill - Style 4 (for Flat Head Screws) - Southeast Tool SE10411; 5/8 Cuttin…
MSRP: $55.25$44.39 -
Southeast Tool
Clamp-On Countersink, 5/8" Dia for 1/4" Drill, Southeast Tool SE10410Taper Shell, Countersink Drill - Style 4 (for Flat Head Screws) - Southeast Tool SE10410; 5/8 Cuttin…
MSRP: $28.33$22.77 -
Southeast Tool
Clamp-On Countersink, 1/2" Dia for 5/16" Drill, Southeast Tool SE104094Taper Shell, Countersink Drill - Style 4 (for Flat Head Screws) - Southeast Tool SE104094; 1/2 Cutti…
MSRP: $24.20$19.45 -
Southeast Tool
Clamp-On Countersink, 1/2" Dia for 1/4" Drill, Southeast Tool SE10409Taper Shell, Countersink Drill - Style 4 (for Flat Head Screws) - Southeast Tool SE10409; 1/2 Cuttin…
MSRP: $23.79$19.13 -
Southeast Tool
Clamp-On Countersink, 1/2" Dia for 7/32" Drill, Southeast Tool SE10408Taper Shell, Countersink Drill - Style 4 (for Flat Head Screws) - Southeast Tool SE10408; 1/2 Cuttin…
MSRP: $21.75$17.48 -
Southeast Tool
Clamp-On Countersink, 1/2" Dia for 3/16" Drill, Southeast Tool SE10406Taper Shell, Countersink Drill - Style 4 (for Flat Head Screws) - Southeast Tool SE10406; 1/2 Cuttin…
MSRP: $21.75$17.48 -
Southeast Tool
Clamp-On Countersink, 1/2" Dia for 5/32" Drill, Southeast Tool SE10404Taper Shell, Countersink Drill - Style 4 (for Flat Head Screws) - Southeast Tool SE10404; 1/2 Cuttin…
MSRP: $23.79$19.13 -
Southeast Tool
Clamp-On Countersink, 1/2" Dia for 1/8" Drill, Southeast Tool SE10402Taper Shell, Countersink Drill - Style 4 (for Flat Head Screws) - Southeast Tool SE10402; 1/2 Cuttin…
MSRP: $21.72$17.46 -
Southeast Tool
Clamp-On Countersink, 3/8" Dia for 3/16" Drill, Southeast Tool SE10401Taper Shell, Countersink Drill - Style 4 (for Flat Head Screws) - Southeast Tool SE10401; 3/8 Cuttin…
MSRP: $21.72$17.46 -
Southeast Tool
Clamp-On Countersink, 3/8" Dia for 1/8" Drill, Southeast Tool SE10400Taper Shell, Countersink Drill - Style 4 (for Flat Head Screws) - Southeast Tool SE10400; 3/8 Cuttin…
MSRP: $21.72$17.46