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Allegiance® (46)
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Pittsburg Alleghany® (125)
Type
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Countersink (170)
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Single End Machinists Countersink (4)
Straight Shank Countersink and Deburring Tool (14)
Straight Shank Countersink and Deburring Tool Set (4)
Overall Length
1 in (1)
1-1/2 in (7)
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1-21/32" (1)
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2.625 in (1)
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Series
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163 (1)
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263 (4)
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320 (1)
400 (2)
5752 (3)
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NO 5 (1)
Shank Type
NO 2 Morse Taper (1)
NO 3 Morse Taper (1)
Plain Round (1)
Straight (59)
Shank Length
1 in (3)
1-1/4 in (2)
3-1/8 in (1)
37/8 in (4)
Maximum Bore Depth
3/8 in (1)
Thread Size
1-1/16-12 (1)
1-5/16-12 (1)
3/4-16 (2)
5/16-24 (1)
Finish
Black Oxide (5)
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Uncoated (73)
Pilot Length
0.688 in (1)
0.937 in (2)
1-1/4 in (2)
Body Diameter
1 in (11)
1" (1)
1"" (16)
1-1/2"" (18)
1-1/4 in (4)
1-1/4"" (20)
1-3/4"" (12)
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1/4" (1)
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3/8 in (10)
3/8" (1)
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5/16"" (11)
5/8 in (7)
5/8"" (19)
7/8"" (12)
Number of Pieces
4 (4)
5 (16)
7 (5)
8 (3)
Minimum Bore Diameter
0.08 in (1)
Head Diameter
0.5156 in (1)
13/16 in (1)
Bore Diameter
0.221 in (1)
0.398 in (1)
0.572 in (1)
0.604 in (1)
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1-1/8 in (2)
1.5625 in (1)
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Point Angle
82 deg (1)
Flute Type
Conventional Spiral (4)
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Included Angle
100 deg (13)
110 deg (3)
120 deg (1)
60 Deg (69)
60 deg (6)
80 Deg (1)
82 Deg (77)
82 deg (28)
90 Deg (74)
90 deg (10)
Number of Flutes
1 (58)
3 (63)
4 (33)
6 (118)
Zero (18)
Cutting Direction
Right Hand (71)
Material
Carbide (6)
Cobalt (16)
Cobalt HSS (6)
HSS (60)
High Speed Steel (207)
M35 Cobalt (18)
Premium High Speed Steel (1)
Solid Carbide (1)
Tungsten Carbide Tipped (6)
Cutting Capacity
11/64 to 37/64"" (2)
13/64 to 45/64"" (2)
19/64 to 59/64"" (2)
23/64 to 1-3/32"" (2)
3/32 to 9/32"" (2)
5/32 to 29/64"" (2)
9/64 to 11/32"" (2)
Tube Diameter
1 in (1)
1/2 in (2)
1/8 in (1)
3/4 in (1)
Specifications
100 deg Countersink (1)
3 Flute, Straight Shank (2)
60 deg Countersink (1)
82 deg Countersink (2)
82 deg Countersink, 1 Flute (2)
82 deg Countersink, 6 Flutes (2)
90 deg Countersink (1)
90 deg Countersink, 6 Flutes (1)
Applicable Materials
Aluminum, Alloy, Carbon and Tool Steels (3)
Cast Iron, Heat-Treated Steels, Titanium Alloys, Plastic and Wood (2)
Standard Pilot Model Number Compatibility
450 and 453 Series Pilots (2)
Nose Diameter
1/4 in (1)
3/8 in (1)
Includes
1/4 in, 3/8 in, 1/2 in, 3/4 in and 1 in Countersink (2)
1/4 in, 5/16 in, 3/8 in, 1/2 in, 5/8 in, 3/4 in and 1 in Countersink (3)
5/16 in, 3/8 in, 1/2 in and 5/8 in Countersink and Deburring Tools (2)
5/16 in, 3/8 in, 1/2 in, 3/4 in and 1 in Countersink and Deburring Tools (3)
NO 6, NO 8, NO 10, 1/4, 5/16, 3/8 and 1/2 in +1/32 in Oversize Precision Cap Screw Counterbores (1)
NO 6, NO 8, NO 10, 1/4, 5/16, 3/8 and 1/2 in +1/64 in Oversize Precision Cap Screw Counterbores (1)
Spot Face Diameter
0.682 in (1)
1.198 in (2)
1.635 in (1)
1.92 in (1)
Screw Type
Socket Head Cap Screw (4)
Fastener Size
NO 1 (1)
NO 2 (1)
RC (1)
Tube Dash Number
NO 12 (1)
NO 16 (1)
NO 2 (1)
NO 8 (2)
Pilot Diameter
0.14 in (1)
0.265 in (1)
0.406 in (1)
0.67 in (2)
0.782 in (1)
0.95 in (1)
1.21 in (1)
1/4 in (3)
1/8 in (1)
3/16 in (1)
3/8 in (1)
5/16 in (4)
7/16 in (1)
F (1)
BC022408
Greenfield® Chicago Latrobe® CLGR-56736 Single End Machinists Countersink, 1/4", 82 Deg, HSS, Black Oxide
Compare
BC015368
Greenfield® Chicago Latrobe® CLGR-56740 Single End Machinists Countersink, 1/2", 82 Deg, HSS, Black Oxide
Compare
BC855738
Allegiance 2264-064 Six Flute Countersink, 5/8" x 3/8", 90 Deg, HSS
Compare
BC855737
Pittsburg Alleghany 2283-036 Six Flute Countersink, 5/16" x 1/4", 82 Deg, HSS
Compare
BC855736
Allegiance 2285-064 Single Flute Countersink, 5/8" x 3/8", 60 Deg, HSS
Compare
BC855739
Pittsburg Alleghany 2283-048 Six Flute Countersink, 1/2" x 1/4", 82 Deg, HSS
Compare
BC855735
Pittsburg Alleghany 2283-024 Six Flute Countersink, 3/16" x 3/16", 82 Deg, HSS
Compare
BC855741
Pittsburg Alleghany 2283-065 Six Flute Countersink, 5/8" x 3/8", 82 Deg, HSS
Compare
BC855743
Allegiance 2262-200 8 Piece Six Flute Countersink Set, 60 Deg, HSS
Compare
BC855742
Pittsburg Alleghany 2256-072 Three Flute Countersink, 3/4" x 3/8", 60 Deg, HSS
Compare
BC855734
Allegiance 2262-036 Six Flute Countersink, 5/16" x 1/4", 60 Deg, HSS
Compare
BC855740
Allegiance 2285-900 5 Piece Single Flute Countersink Set, 60 Deg, HSS
Compare
BC855732
Allegiance 2262-040 Six Flute Countersink, 3/8" x 1/4", 60 Deg, HSS
Compare
BC855727
Pittsburg Alleghany 2282-064 Six Flute Countersink, 5/8" x 1/2", 60 Deg, HSS
Compare
BC855726
Allegiance 2287-024 Single Flute Countersink, 3/16" x 3/16", 90 Deg, HSS
Compare
BC855725
Pittsburg Alleghany 2282-040 Six Flute Countersink, 3/8" x 1/4", 60 Deg, HSS
Compare
BC855728
Allegiance 2263-024 Six Flute Countersink, 3/16" x 3/16", 82 Deg, HSS
Compare
BC855729
Pittsburg Alleghany 2282-080 Six Flute Countersink, 3/4" x 1/2", 60 Deg, HSS
Compare
BC855744
Pittsburg Alleghany 2283-150 Six Flute Countersink, 1-3/4" x 3/4", 82 Deg, HSS
Compare
BC855731
Pittsburg Alleghany 2282-096 Six Flute Countersink, 1" x 1/2", 60 Deg, HSS
Compare
BC855730
Allegiance 2262-080 Six Flute Countersink, 3/4" x 1/2", 60 Deg, HSS
Compare
BC855733
Pittsburg Alleghany 2282-150 Six Flute Countersink, 1-3/4" x 3/4", 60 Deg, HSS
Compare
BC855746
Allegiance 2264-200 8 Piece Six Flute Countersink Set, 90 Deg, HSS
Compare
BC855758
Pittsburg Alleghany 2257-040 Three Flute Countersink, 3/8" x 1/4", 82 Deg, HSS
Compare
BC855757
Pittsburg Alleghany 2284-128 Six Flute Countersink, 1-1/4" x 3/4", 90 Deg, HSS
Compare
BC855756
Pittsburg Alleghany 2257-024 Three Flute Countersink, 3/16" x 3/16", 82 Deg, HSS
Compare
BC855759
Pittsburg Alleghany 2284-150 Six Flute Countersink, 1-3/4" x 3/4", 90 Deg, HSS
Compare
BC855760
Keo 2239-017 Straight Shank Zero Flute Countersinks and Deburring Tool, 1/2", 82 Deg, M35 Cobalt
Compare
BC855763
Keo 2239-025 Straight Shank Zero Flute Countersinks and Deburring Tool, 3/8", 90 Deg, M35 Cobalt
Compare
BC855762
Keo 2239-016 Straight Shank Zero Flute Countersinks and Deburring Tool, 3/8", 82 Deg, M35 Cobalt
Compare
BC855761
Pittsburg Alleghany 2257-144 Three Flute Countersink, 1-1/2" x 3/4", 82 Deg, HSS
Compare
BC855755
Pittsburg Alleghany 2284-088 Six Flute Countersink, 7/8" x 1/2", 90 Deg, HSS
Compare
BC855754
Pittsburg Alleghany 2256-165 Three Flute Countersink, 2" x 1/2", 60 Deg, HSS
Compare
BC855748
Pittsburg Alleghany 2256-112 Three Flute Countersink, 1-1/4" x 1/2", 60 Deg, HSS
Compare
BC855747
Pittsburg Alleghany 2284-024 Six Flute Countersink, 3/16" x 3/16", 90 Deg, HSS
Compare
BC855724
Allegiance 2285-024 Single Flute Countersink, 3/16" x 3/16", 60 Deg, HSS
Compare
BC855749
Pittsburg Alleghany 2284-036 Six Flute Countersink, 5/16" x 1/4", 90 Deg, HSS
Compare
BC855750
Pittsburg Alleghany 2256-129 Three Flute Countersink, 1-1/2" x 1/2", 60 Deg, HSS
Compare
BC855753
Pittsburg Alleghany 2284-064 Six Flute Countersink, 5/8" x 1/2", 90 Deg, HSS
Compare
BC855752
Pittsburg Alleghany 2256-145 Three Flute Countersink, 1-3/4" x 1/2", 60 Deg, HSS
Compare
BC855751
Pittsburg Alleghany 2284-048 Six Flute Countersink, 1/2" x 1/4", 90 Deg, HSS
Compare
BC855745
Pittsburg Alleghany 2256-088 Three Flute Countersink, 7/8" x 1/2", 60 Deg, HSS
Compare
BC855722
Allegiance 2263-176 Six Flute Countersink, 2" x 3/4", 82 Deg, HSS
Compare
BC855697
Pittsburg Alleghany 2256-048 Three Flute Countersink, 1/2" x 1/4", 60 Deg, HSS
Compare
BC855696
Pittsburg Alleghany 2258-088 Three Flute Countersink, 7/8" x 1/2", 90 Deg, HSS
Compare
BC855695
Keo 2239-058 5 Piece Straight Shank Zero Flute Countersinks and Deburring Tool Set, 82 Deg, M35 Cobalt
Compare
BC855694
Pittsburg Alleghany 2256-036 Three Flute Countersink, 5/16" x 1/4", 60 Deg, HSS
Compare
BC855698
Keo 2239-062 5 Piece Straight Shank Zero Flute Countersinks and Deburring Tool Set, 90 Deg, M35 Cobalt
Compare
BC855699
Pittsburg Alleghany 2258-128 Three Flute Countersink, 1-1/4" x 3/4", 90 Deg, HSS
Compare
BC855702
Allegiance 2262-048 Six Flute Countersink, 1/2" x 1/4", 60 Deg, HSS
Compare
BC855701
Pittsburg Alleghany 2258-160 Three Flute Countersink, 1-3/4" x 3/4", 90 Deg, HSS
Compare
BC855700
Allegiance 2262-096 Six Flute Countersink, 1" x 1/2", 60 Deg, HSS
Compare
BC855693
Pittsburg Alleghany 2258-056 Three Flute Countersink, 1/2" x 3/8", 90 Deg, HSS
Compare
BC855692
Keo 2239-024 Straight Shank Zero Flute Countersinks and Deburring Tool, 3/8", 90 Deg, M35 Cobalt
Compare
BC855686
Keo 2239-022 Straight Shank Zero Flute Countersinks and Deburring Tool, 1/4", 90 Deg, M35 Cobalt
Compare
BC855685
Keo 2239-026 Straight Shank Zero Flute Countersinks and Deburring Tool, 3/8", 90 Deg, M35 Cobalt
Compare
BC855684
Pittsburg Alleghany 2257-160 Three Flute Countersink, 1-3/4" x 3/4", 82 Deg, HSS
Compare
BC855687
Pittsburg Alleghany 2257-176 Three Flute Countersink, 2" x 3/4", 82 Deg, HSS
Compare
BC855688
Pittsburg Alleghany 2250-900 5 Piece Single Flute Countersink Set, 60 Deg, HSS
Compare
BC855691
Pittsburg Alleghany 2256-024 Three Flute Countersink, 3/16" x 3/16", 60 Deg, HSS
Compare
BC855690
Pittsburg Alleghany 2258-028 Three Flute Countersink, 1/4" x 3/16", 90 Deg, HSS
Compare
BC855689
Keo 2239-021 Straight Shank Zero Flute Countersinks and Deburring Tool, 1/4", 90 Deg, M35 Cobalt
Compare
BC855703
Pittsburg Alleghany 2258-176 Three Flute Countersink, 2" x 3/4", 90 Deg, HSS
Compare
BC855704
Allegiance 2263-056 Six Flute Countersink, 1/2" x 3/8", 82 Deg, HSS
Compare
BC855717
Pittsburg Alleghany 2278-088 Four Flute Machine Countersink, 7/8" x 1/2", 90 Deg, HSS
Compare
BC855716
Allegiance 2264-128 Six Flute Countersink, 1-1/4" x 3/4", 90 Deg, HSS
Compare
BC855715
Pittsburg Alleghany 2278-072 Four Flute Machine Countersink, 5/8" x 1/2", 90 Deg, HSS
Compare
BC855718
Allegiance 2286-160 Single Flute Countersink, 1-3/4" x 3/4", 82 Deg, HSS
Compare
BC855719
Pittsburg Alleghany 2278-112 Four Flute Machine Countersink, 1-1/4" x 1/2", 90 Deg, HSS
Compare
BC855764
Pittsburg Alleghany 2257-165 Three Flute Countersink, 2" x 1/2", 82 Deg, HSS
Compare
BC855721
Pittsburg Alleghany 2282-000 5 Piece Six Flute Countersink Set, 60 Deg, HSS
Compare
BC855720
Allegiance 2287-176 Single Flute Countersink, 2" x 3/4", 90 Deg, HSS
Compare
BC855714
Allegiance 2287-128 Single Flute Countersink, 1-1/4" x 3/4", 90 Deg, HSS
Compare
BC855713
Pittsburg Alleghany 2277-112 Four Flute Machine Countersink, 1-1/4" x 1/2", 82 Deg, HSS
Compare
BC855707
Pittsburg Alleghany 2276-112 Four Flute Machine Countersink, 1-1/4" x 1/2", 60 Deg, HSS
Compare
BC855706
Allegiance 2264-056 Six Flute Countersink, 1/2" x 3/8", 90 Deg, HSS
Compare
BC855705
Pittsburg Alleghany 2276-080 Four Flute Machine Countersink, 3/4" x 1/2", 60 Deg, HSS
Compare
BC855708
Allegiance 2262-028 Six Flute Countersink, 1/4" x 3/16", 60 Deg, HSS
Compare
BC855709
Pittsburg Alleghany 2277-064 Four Flute Machine Countersink, 1/2" x 1/2", 82 Deg, HSS
Compare
BC855712
Allegiance 2285-128 Single Flute Countersink, 1-1/4" x 3/4", 60 Deg, HSS
Compare
BC855711
Pittsburg Alleghany 2277-088 Four Flute Machine Countersink, 7/8" x 1/2", 82 Deg, HSS
Compare
BC855710
Allegiance 2285-144 Single Flute Countersink, 1-1/2" x 3/4", 60 Deg, HSS
Compare
BC855723
Pittsburg Alleghany 2282-028 Six Flute Countersink, 1/4" x 1/4", 60 Deg, HSS
Compare
BC855765
Keo 2239-013 Straight Shank Zero Flute Countersinks and Deburring Tool, 5/16", 82 Deg, M35 Cobalt
Compare
BC855821
Allegiance 2287-900 5 Piece Single Flute Countersink Set, 90 Deg, HSS
Compare
BC855820
Pittsburg Alleghany 2283-056 Six Flute Countersink, 1/2" x 3/8", 82 Deg, HSS
Compare
BC855819
Allegiance 2264-088 Six Flute Countersink, 7/8" x 1/2", 90 Deg, HSS
Compare
BC855818
Pittsburg Alleghany 2283-040 Six Flute Countersink, 3/8" x 1/4", 82 Deg, HSS
Compare
BC855822
Pittsburg Alleghany 2283-088 Six Flute Countersink, 7/8" x 1/2", 82 Deg, HSS
Compare
BC855823
Pittsburg Alleghany 2256-080 Three Flute Countersink, 3/4" x 1/2", 60 Deg, HSS
Compare
BC855826
Pittsburg Alleghany 2256-096 Three Flute Countersink, 1" x 1/2", 60 Deg, HSS
Compare
BC855825
Pittsburg Alleghany 2284-000 5 Piece Six Flute Countersink Set, 90 Deg, HSS
Compare
BC855824
Allegiance 2263-200 8 Piece Six Flute Countersink Set, 80 Deg, HSS
Compare
BC855817
Allegiance 2262-064 Six Flute Countersink, 5/8" x 3/8", 60 Deg, HSS
Compare
BC855816
Pittsburg Alleghany 2283-028 Six Flute Countersink, 1/4" x 1/4", 82 Deg, HSS
Compare
BC855810
Pittsburg Alleghany 2282-088 Six Flute Countersink, 7/8" x 1/2", 60 Deg, HSS
Compare
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