About
Makita has a deep line-up of drilling, driving and fastening tools and accessories. The Makita 3-Piece Countersink with Drill Bit Set with Hex Wrench (A-99661) is engineered for drilling pilot hole, countersinks and counterbores in one easy operation. The drill bit can be adjusted the desired drilling depth, and the 1/4”’ hex shank fits in impact drivers and driver-drills. The 3-Piece set includes #6, #8 and #10 countersinks plus a hex wrench.
Features
Specs
Resources & Media
RECOMMENDED
UDU1-5-16L
1-5/16" X 2-1/8" TCT Annular Cutter
711493-A
1/4" - 3/4" H.S.S. Step Drill Bit, 1/4" Hex Shank
US1-2X2
1/2" x 2" HSS Annular Cutter
US5-8X2
5/8" x 2" HSS Annular Cutter
D-35748
13/16" X 6" Ship Auger Bit
A-97748
1/8" Black Oxide Drill Bit, 1/4" Hex Shank
A-97813
1/4" Black Oxide Drill Bit, 1/4" Hex Shank
D-35938
1" X 18" Ship Auger Bit
714161-A
11/16" x 6-1/8" Spade Bit
D-30019
2-1/8" Self Feed Bit
B-69060
5/8" x 6" Multi-Purpose Bit, 1/4" Hex Shank
D-35922
15/16" X 18" Ship Auger Bit
B-69054
1/2" x 6" Multi-Purpose Bit, 1/4" Hex Shank
B-68943
3/16" x 3" Glass and Tile Bit, Round Shank
733313-A
7/8" Forstner Bit
UD000U3-4S
3/4" x 1-3/8" TCT Annular Cutter
B-69076
5 Pc. Assorted Multi-Purpose Bit Set
US3-4X1
3/4" x 1" HSS Annular Cutter
E-11710
3/8" Diamond Drill Bit, Hex Shank
UDPILOTU2A
Pilot Pin for 2" Depth of Cut TCT Annular Cutters with a Diameter from 1/2" to 11/16"
E-11704
5/16" Diamond Drill Bit, Hex Shank
733322-A
2" Forstner Bit
B-36201
48 Pc. Metric HSS Drill Bit, Screw BIt and Socket Set
D-24050
1/4" Masonry Drill Bit, 1/4" Hex Shank
D-23880
1/8" Titanium Coated Drill Bit, 1/4" Hex Shank
B-69026
1/4" x 6" Multi-Purpose Bit, 1/4" Hex Shank
UDPILOTU1A
Pilot Pin for 1" Depth of Cut TCT Annular Cutters with a Diameter from 1/2" to 11/16"
UD000U5-8L
5/8" X 2-1/8" TCT Annular Cutter
US1-3-8X1
1-3/8" x 1" HSS Annular Cutter
E-11754
Dressing Stone
D-29991
1-3/4" Self Feed Bit
B-68769
1/4" x 4" Masonry Hammer Drill Bit
D-35651
12" Drill Bit Extension, 7/16" Hex Shank
A-97829
5/16" Black Oxide Drill Bit, 1/4" Hex Shank
B-69032
5/16" x 6" Multi-Purpose Bit, 1/4" Hex Shank
E-10643
5 Pc. Assorted Carbide Tipped Percussion Masonry Hammer Drill Bit Set
733309-A
3/8" Forstner Bit
D-35776
1" X 6" Ship Auger Bit
327684-2
Earth Auger Bit Adapter, Type A
UD0U13-16L
13/16" X 2-1/8" TCT Annular Cutter
D-35885
11/16" X 18" Ship Auger Bit
D-23765
5 Pc. Masonry & Metal Drill Bit Set, 1/4 Hex Shank
733312-A
3/4" Forstner Bit
US7-16X1
7/16" x 1" HSS Annular Cutter
B-68840
1/2" x 6" Masonry Hammer Drill Bit
UD000U1-2L
1/2" X 2-1/8" TCT Annular Cutter
B-51661
66 Pc. Contractor Bit Set
D-30003
2" Self Feed Bit
UDU1-3-16L
1-3/16" X 2-1/8" TCT Annular Cutter
US1-1-16X1
1-1/16" x 1" HSS Annular Cutter
E-10615
5/32" x 6" Carbide Tipped Masonry Hammer Drill Bits, 5/pk
714154-A
1/4" x 6" Spade Bit
A-99699
#10 Countersink with 3/16" Drill Bit
PILOTL
Pilot Pin for 2" Depth of Cut HSS Annular Cutters with 9/16" Diameters and Larger
B-68971
3/8" x 4" Glass and Tile Bit, 3 Flat Shank
UD00000U1S
1" x 1-3/8" TCT Annular Cutter
E-10637
1/4" x 6" Carbide Tipped Masonry Hammer Drill Bits, 5/pk
733308-A
1/4" Forstner Bit
714163-A
13/16" x 6" Spade Bit
B-49884
116 Pc. Metric Bit and Hand Tool Set
D-35760
15/16" X 6" Ship Auger Bit
A-97841
1/2" Black Oxide Drill Bit, 1/4" Hex Shank
711496-A
7/8" H.S.S. Step Drill Bit, 1/4" Hex Shank
733311-A
5/8" Forstner Bit
UD00000U1L
1" X 2-1/8" TCT Annular Cutter
B-49638
69 Pc. Metric Drill and Screw Bit Set
PILOTL12
Pilot Pin for 2" Depth of Cut HSS Annular Cutters with a Diameter from 7/16" to 1/2"
733314-A
1" Forstner Bit
US13-16X1
13/16" x 1" HSS Annular Cutter
A-99714
#6 Countersink 9/64" Replacement Drill Bit
US5-8X1
5/8" x 1" HSS Annular Cutter
D-35972
1-3/8" X 18" Ship Auger Bit
714153-A
1" x 16" Spade Bit
UDU1-3-16S
1-3/16" x 1-3/8" TCT Annular Cutter
D-35695
1/2" X 6" Ship Auger Bit
US13-16X2
13/16" x 2" HSS Annular Cutter
US1-3-8X2
1-3/8" x 2" HSS Annular Cutter
A-99677
#6 Countersink with 9/64" Drill Bit
711495-A
1/2" H.S.S. Step Drill Bit, 1/4" Hex Shank
D-35710
5/8" X 6" Ship Auger Bit
B-68959
1/4" x 4" Glass and Tile Bit, 3 Flat Shank
A-99720
#8 Countersink 11/64" Replacement Drill Bit
UDPILOTU2B
Pilot Pin for 2" Depth of Cut TCT Annular Cutters with a Diameter from 3/4" to 3"
US1-5-16X2
1-5/16" x 2" HSS Annular Cutter
D-30047
3" Self Feed Bit
733324-A
35mm Forstner Bit
US1-1-8X2
1-1/8" x 2" HSS Annular Cutter
E-07375
Earth Auger Drill Bit 21" Extension Bar
US1-1-8X1
1-1/8" x 1" HSS Annular Cutter
D-35891
3/4" X 18" Ship Auger Bit
B-69010
3/16" x 6" Multi-Purpose Bit, Round Shank
D-35318
5 Pc. Titanium Coated Drill Bit Set,1/4" Hex Shank
UD000U7-8S
7/8" x 1-3/8" TCT Annular Cutter
US11-16X2
11/16" x 2" HSS Annular Cutter
B-68965
5/16" x 4" Glass and Tile Bit, 3 Flat Shank
UD0U1-1-4L
1-1/4" X 2-1/8" TCT Annular Cutter
B-49725
96 Pc. Metric Bit and Hand Tool Set
D-35798
1-1/8" X 6" Ship Auger Bit
UDPILOTU1B
Pilot Pin for 1" Depth of Cut TCT Annular Cutters with a Diameter from 3/4" to 3"
D-35807
1-1/4" X 6" Ship Auger Bit
US1-5-16X1
1-5/16" x 1" HSS Annular Cutter
A-97754
9/64" Black Oxide Drill Bit, 1/4" Hex Shank
711492-A
1/8" - 1/2" H.S.S. Step Drill Bit, 1/4" Hex Shank
UD000U5-8S
5/8" x 1-3/8" TCT Annular Cutter
E-11695
1/4" Diamond Drill Bit, Hex Shank
US3-4X2
3/4" x 2" HSS Annular Cutter
714156-A
3/8" x 6" Spade Bit
714160-A
5/8" x 6" Spade Bit
US1-2X1
1/2" x 1" HSS Annular Cutter
UD000U1-2S
1/2" x 1-3/8" TCT Annular Cutter
D-35841
7/16" X 18" Ship Auger Bit
D-35673
3/8" X 6" Ship Auger Bit
763198-1
3/8" Keyless Chuck Adapter
B-69048
3/8" x 6" Multi-Purpose Bit, 1/4" Hex Shank
D-35726
11/16" X 6" Ship Auger Bit
US1-3-16X2
1-3/16" x 2" HSS Annular Cutter
US15-16X2
15/16" x 2" HSS Annular Cutter
714155-A
5/16" x 6" Spade Bit
A-99708
#12 Countersink with 7/32" Drill Bit
UD0U1-3-8S
1-3/8" x 1-3/8" TCT Annular Cutter
D-23927
1/4" Titanium Coated Drill Bit, 1/4" Hex Shank
711494-A
1/4"-1-1/8" H.S.S. Step Drill Bit, 1/4" Hex Shank
733321-A
1-7/8" Forstner Bit
UD0U15-16S
15/16" x 1-3/8" TCT Annular Cutter
D-35950
1-1/8" X 18" Ship Auger Bit
733317-A
1-3/8" Forstner Bit
A-97835
3/8" Black Oxide Drill Bit, 1/4" Hex Shank
D-35813
1-3/8" X 6" Ship Auger Bit
733315-A
1-1/8" Forstner Bit
D-29985
1-1/2" Self Feed Bit
US7-16X2
7/16" x 2" HSS Annular Cutter
D-30025
2-1/4" Self Feed Bit
E-10621
3/16" x 6" Carbide Tipped Masonry Hammer Drill Bits, 5/pk
E-10659
7 Pc. Assorted Carbide Tipped Percussion Masonry Hammer Drill Bit Set
D-35879
5/8" X 18" Ship Auger Bit
E-11748
1" Diamond Drill Bit, Hex Shank
D-24044
3/16" Masonry Drill Bit, 1/4" Hex Shank
D-71984
9 Pc. Assorted Drill Bit Set
D-29979
1-3/8" Self Feed Bit
PILOTS
Pilot Pin for 1" Depth of Cut HSS Annular Cutters with 9/16" Diameters and Larger
D-35754
7/8" X 6" Ship Auger Bit
B-68987
1/2" x 4" Glass and Tile Bit, 3 Flat Shank
D-23949
3/8" Titanium Coated Drill Bit, 1/4" Hex Shank
733319-A
1-5/8" Forstner Bit
E-11732
3/4" Diamond Drill Bit, Hex Shank
B-68937
1/8" x 3" Glass and Tile Bit, Round Shank
T-00832
3/16" x 3-1/2" Ultra Fast® Drill Bit
A-97776
11/64" Black Oxide Drill Bit, 1/4" Hex Shank
714147-A
3/8" x 16" Spade Bit
US11-16X1
11/16" x 1" HSS Annular Cutter
D-35639
18" Drill Bit Extension, 7/16" Hex Shank
UD0U13-16S
13/16" x 1-3/8" TCT Annular Cutter
D-30156
Double Ended Screw Point - Self Feed Bit
US1-1-16X2
1-1/16" x 2" HSS Annular Cutter
UD0U11-16L
11/16" X 2-1/8" TCT Annular Cutter
D-35900
13/16" X 18" Ship Auger Bit
714151-A
3/4" x 16" Spade Bit
714152-A
7/8" x 16" Spade Bit
UDU1-5-16S
1-5/16" x 1-3/8" TCT Annular Cutter
US1-1-4X2
1-1/4" x 2" HSS Annular Cutter
A-97782
3/16" Black Oxide Drill Bit, 1/4" Hex Shank
D-24038
1/8" Masonry Drill Bit, 1/4" Hex Shank
D-29963
1-1/4" Self Feed Bit
A-97798
13/64" Black Oxide Drill Bit, 1/4" Hex Shank
D-23911
3/16" Titanium Coated Drill Bit, 1/4" Hex Shank
E-11726
1/2" Diamond Drill Bit, Hex Shank
733310-A
1/2" Forstner Bit
D-23933
5/16" Titanium Coated Drill Bit, 1/4" Hex Shank
B-44884
21 Pc. Assorted Metric Drill Bit Set
US1-1-4X1
1-1/4" x 1" HSS Annular Cutter
US1X1
1" x 1" HSS Annular Cutter
733318-A
1-1/2" Forstner Bit
A-99736
#10 Countersink 3/16" Replacement Drill Bit
US1X2
1" x 2" HSS Annular Cutter
714157-A
7/16" x 6" Spade Bit
US1-3-16X1
1-3/16" x 1" HSS Annular Cutter
733323-A
2-1/8" x 3/8" Shank Forstner Bit
D-29935
1" Self Feed Bit
UD000U3-4L
3/4" X 2-1/8" TCT Annular Cutter
B-68993
5 Pc. Assorted Glass and Tile Bit Set
D-29957
1-1/8" Self Feed Bit
A-97807
7/32" Black Oxide Drill Bit, 1/4" Hex Shank
B-65399
Impact GOLD® 14 Pc. Titanium Drill Bit Set, 1/4" Hex Shank
A-99683
#8 Countersink with 11/64" Drill Bit
D-35988
1-1/2" X 18" Ship Auger Bit
D-35966
1-1/4" X 18" Ship Auger Bit
714169-A
1-3/8" x 6-1/8" Spade Bit
327687-6
Earth Auger Bit Adapter
D-35829
1-1/2" X 6" Ship Auger Bit
B-69004
5/32" x 3" Multi-Purpose Bit, Round Shank
D-23905
5/32" Titanium Coated Drill Bit, 1/4" Hex Shank
D-30031
2-9/16" Self Feed Bit
A-99742
#12 Countersink 7/32" Replacement Drill Bit
US15-16X1
15/16" x 1" HSS Annular Cutter
UD0U1-1-4S
1-1/4" x 1-3/8" TCT Annular Cutter
T-01030
1/2" x 6" Ultra Fast® Drill Bit
733320-A
1-3/4" Forstner Bit
711497-A
1/2" - 1" H.S.S. Step Drill Bit, 1/4" Hex Shank
D-35782
1-1/16" X 6" Ship Auger Bit
733316-A
1-1/4" Forstner Bit
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