PRODUCTS

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MANUAL USE

ELECTRICIANS

SPECIAL USES

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DOOR LOCKS

FURNITURE

COUNTERSINK

MUSHROOM

HORTICULTURE

D.I.Y.USES

ATTACHMENT

CUSTOMIZED

For Countersink

No.14 Adjustable Countersink / Bores

Regular wood drills have a straight shape-despite that screws are tapered.
This drill has a taper shape(like a screw)and each drill comes with an adjustable Stop Collar and Countersink/Counterbore.
In one operation you can completely prepare the wood for the threads and screw heads.
These bits feature a single twist design that ejects chips more efficiently and resists clogging.
Sets include tapered drills, countersinks and stop collars.

Adjustable Countersink/Bores
Parts Complete 7pcs.Set


Unit inch(mm)
Wood Screw No. Taper Drill Countersink/bore Depth Stop
#5 Screws 1/8 (3.2) 3/8 (9.5) 3/8 (9.5)
#6 Screws 9/64 (3.6) 3/8 (9.5) 3/8 (9.5)
#7 Screws 5/32 (4.0) 3/8 (9.5) 3/8 (9.5)
#8 Screws 11/64 (4.4) 3/8 (9.5) 3/8 (9.5)
#9 Screws 3/16 (4.8) 3/8 (9.5) 3/8 (9.5)
#10 Screws 13/64 (5.2) 7/16 (11) 7/16 (11)
#12 Screws 7/32 (5.6) 1/2 (12.7) 1/2 (12.7)
#14 Screws 1/4 (6.4) 1/2 (12.7) 1/2 (12.7)
How to use