1FL | 60°-120° | Single & Double End
Solid Carbide Countersink
Tool Features
Carbide, 1FL, Bright
Series 331 Overview
- Sub-micrograin carbide substrate for wear resistance
- General purpose countersinking operations
- Single end and double end
Series Lineup
General Purpose - Holemaking
Series 4210
2 Flute 4-Facet Drill
Carbide, 2FL, 30° Helix, 135° Point Angle, 4-Facet, Bright
N1
N2
General Purpose - Holemaking
Series 4211
2 Flute 4-Facet Drill
Carbide, 2FL, 30° Helix, 135° Point Angle, 4-Facet, Threaded Shank, Bright
N1
N2
General Purpose - Holemaking
Series 4206
Single Flute Dagger Drill
Carbide, 1FL, Threaded Shank, Bright
N1
N2
General Purpose - Holemaking
Series 4207
4 Flute Dreamer Drill
Carbide, 4FL, 118° Point Angle, Bright
N1
N2
General Purpose - Holemaking
Series 4208
4 Flute Dreamer Drill
Carbide, 4FL, 118° Point Angle, Threaded Shank, Bright
N1
N2
General Purpose - Holemaking
Series 4215
3 Flute Piloted Countersink
Carbide, 3FL, Threaded Shank, Piloted, Bright
N1
N2
General Purpose - Holemaking
Series 4218
Brazed Carbide Rivet Shaver
Carbide-Tip, Threaded Shank, Bright
N1
N2
General Purpose - Holemaking
Series 402
2 Flute Spot Drill
Carbide, 0° Helix, 2FL, Bright, AlTiN
P1
P2
P3
K1
K2
N1
N2
General Purpose - Holemaking
Series 400
2 Flute Spade Drill
Carbide, 0° Helix, 2FL, Bright
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Holemaking
Series 450
2 Flute Jobber Length Twist Drill
Carbide, 2FL, 25° Helix, 118° Point Angle, Bright, TiN, AlTiN
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Holemaking
Series 460
2 Flute Screw Machine Drill
Carbide, 2FL, 15° Helix, 135° Point Angle, Bright, TiN, AlTiN
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Holemaking
Series 470
2 Flute Straight Flute Drill
Carbide, 2FL, 0° Helix, 140° Point Angle, Bright, AlTiN
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Holemaking
Series 453
3 Flute Twist Drill
Carbide, 3FL, 28° Helix, 150° Point Angle, Bright, TiN
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Holemaking
Series 300
2 Flute Drill/Countersink
Carbide, 2FL, Bright, AlTiN, TiN
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Holemaking
Series 500
Multi Flute Chucking Reamer
Carbide, Multi FL, 0° Helix, Corner Chamfer, Bright
P1
P2
P3
M1
M2
K1
K2
N1
N2
S1
S2
H1
General Purpose - Holemaking
Series 550
Multi Flute Chucking Reamer
Carbide, Multi FL, 10° Helix, 15° Helix, Corner Chamfer, Bright
P1
P2
P3
M1
M2
K1
K2
N1
N2
S1
S2
H1
General Purpose - Holemaking
Series 331
1 Flute Countersink
Carbide, 1FL, Bright
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Holemaking
Series 333
3 Flute Countersink
Carbide, 3FL, Bright
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Holemaking
Series 334
4 Flute Countersink
Carbide, 4FL, Bright
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Holemaking
Series 336
6 Flute Countersink
Carbide, 6FL, Bright
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Holemaking
Series 601
Radius Boring Bar
Carbide, h6, Bright
P1
P2
P3
M1
M2
K1
K2
N1
N2
S1
S2
H1
General Purpose - Holemaking
Series 110
2 Flute Carbide-Tip Drill
Carbide-Tip, 2FL, 20° Helix, 118° Point Angle, Screw Machine Length, Bright
K1
K2
N2
General Purpose - Holemaking
Series 115
2 Flute Carbide-Tip Screw Machine Length Drill
Carbide-Tip, 2FL, 20° Helix, 135° Point Angle, Bright
K1
K2
N2
S2
General Purpose - Holemaking
Series 120
2 Flute Carbide-Tip Jobber Length Drill
Carbide-Tip, 2FL, 20° Helix, 118° Point Angle, Jobber Length, Bright
K1
K2
N2
General Purpose - Holemaking
Series 125
2 Flute Carbide-Tip Jobber Length Drill
Carbide-Tip, 2FL, 20° Helix, 135° Point Angle, Jobber Length, Bright
K1
K2
N2
S2
General Purpose - Holemaking
Series 129
2 Flute Carbide-Tip Aircraft Drill
Carbide-Tip, 2FL, 20° Helix, 135° Point Angle, Bright
K1
K2
N2
S2
General Purpose - Holemaking
Series 130
2 Flute Carbide-Tip Taper Length Tang Drill
Carbide-Tip, 2FL, 20° Helix, 118° Point Angle, Taper Length, Bright
K1
K2
N2
General Purpose - Holemaking
Series 150
2 flute carbide-tip drill for hardened steel
Carbide-Tip, 2FL, 0° Helix, 118° Point Angle, Regular Length, Bright
H1
H2
General Purpose - Holemaking
Series 162
2 Flute Carbide-Tip Drill For Glass and Ceramics
Carbide-Tip, 2FL, 0° Helix, Regular Length, Bright
General Purpose - Holemaking
Series 170
2 Flute 4 Facet Coolant-Through Carbide-Tip Drill
Carbide-Tip, 2FL, 0° Helix, Regular Length, Bright
P2
K1
K2
N2
S2
General Purpose - Holemaking
Series 171
2 Flute 4-Facet Carbide-Tip Jobber Drill
Carbide-Tip, 2FL, 0° Helix, 125° Point Angle, Jobber Length, Coolant-Through, Bright
P2
K1
K2
N2
S2
General Purpose - Holemaking
Series 172
2 Flute 4 Facet Carbide-Tip X-Long Drill
Carbide-Tip, 2FL, 0° Helix, 125° Point Angle, X-Long Length, Coolant-Through, Bright
P2
K1
K2
N2
S2
General Purpose - Holemaking
Series 176
2 Flute Carbide-Tip Coolant-Through Jobber Drill
Carbide-Tip, 2FL, 0° Helix, 130° Point Angle, Jobber Length, Coolant-Through, Reduced Shank, TiN
P2
P3
K1
K2
N2
General Purpose - Holemaking
Series 290
2 Flute Carbide-Tip Coolant-Through Long Drill
Carbide-Tip, 2FL, 15° Helix, 125° Point Angle, Long Length, Coolant-Through, Bright
M1
K1
N2
S2
General Purpose - Holemaking
Series 295
2 Flute Carbide-Tip Coolant-Through Short Drill
Carbide-Tip, 2FL, 15° Helix, 125° Point Angle, Short Length, Coolant-Through, Reduced Shank, Bright
M1
K1
N2
S2
General Purpose - Holemaking
Series 296
2 Flute Carbide-Tip Coolant-Through Stub Drill
Carbide-Tip, 2FL, 15° Helix, 135° Point Angle, Coolant-Through, Stub Length, Reduced Shank, TiN
P2
P3
K1
K2
N2
General Purpose - Holemaking
Series 297
2 Flute Carbide-Tip Coolant-Through Stub Drill
Carbide-Tip, 2FL, 15° Helix, 135° Point Angle, Coolant-Through, Stub Length, h6, TiN
P2
P3
K1
K2
N2
Work Materials
P1
P2
P3
K1
K2
N1
N2
H1
Resources
Product Offering
| Part Number | cut_dia_in_display | shank_dia_in_display | angle_display | style | Stock | List Price |
|---|---|---|---|---|---|---|
| 331-003050 | (.2500) 1/4 | (.2500) 1/4 | (A) 60 | Single End | 518 | $19.26 |
| 331-003060 | (.2500) 1/4 | (.2500) 1/4 | (B) 82 | Single End | 248 | $19.26 |
| 331-002070 | (.1875) 3/16 | (.1875) 3/16 | (C) 90 | Single End | 416 | $16.27 |
| 331-003070 | (.2500) 1/4 | (.2500) 1/4 | (C) 90 | Single End | 1,047 | $19.26 |
| 331-001080 | (.1250) 1/8 | (.1250) 1/8 | (D) 100 | Single End | 119 | $12.42 |
| 331-002060 | (.1875) 3/16 | (.1875) 3/16 | (B) 82 | Single End | 179 | $16.27 |
| 331-001090 | (.1250) 1/8 | (.1250) 1/8 | (F) 120 | Single End | 90 | $12.42 |
| 331-002050 | (.1875) 3/16 | (.1875) 3/16 | (A) 60 | Single End | 123 | $16.27 |
| 331-004080 | (.3125) 5/16 | (.2500) 1/4 | (D) 100 | Single End | 0 | $27.21 |
| 331-005090 | (.3750) 3/8 | (.2500) 1/4 | (F) 120 | Single End | 135 | $32.68 |
| 331-004050 | (.3125) 5/16 | (.2500) 1/4 | (A) 60 | Single End | 2 | $27.18 |
| 331-005050 | (.3750) 3/8 | (.2500) 1/4 | (A) 60 | Single End | 119 | $32.65 |
| 331-001050 | (.1250) 1/8 | (.1250) 1/8 | (A) 60 | Single End | 355 | $12.42 |
| 331-005070 | (.3750) 3/8 | (.2500) 1/4 | (C) 90 | Single End | 224 | $32.68 |
| 331-006090 | (.5000) 1/2 | (.2500) 1/4 | (F) 120 | Single End | 105 | $42.95 |
| 331-006570 | (.5000) 1/2 | (.3750) 3/8 | (C) 90 | Single End | 314 | $44.54 |
| 331-003080 | (.2500) 1/4 | (.2500) 1/4 | (D) 100 | Single End | 201 | $19.26 |
| 331-006050 | (.5000) 1/2 | (.2500) 1/4 | (A) 60 | Single End | 106 | $42.92 |
| 331-005060 | (.3750) 3/8 | (.2500) 1/4 | (B) 82 | Single End | 178 | $32.65 |
| 331-006560 | (.5000) 1/2 | (.3750) 3/8 | (B) 82 | Single End | 630 | $44.47 |
| 331-003090 | (.2500) 1/4 | (.2500) 1/4 | (F) 120 | Single End | 110 | $19.26 |
| 331-006070 | (.5000) 1/2 | (.2500) 1/4 | (C) 90 | Single End | 273 | $43 |
| 331-002090 | (.1875) 3/16 | (.1875) 3/16 | (F) 120 | Single End | 48 | $16.27 |
| 331-005080 | (.3750) 3/8 | (.2500) 1/4 | (D) 100 | Single End | 230 | $32.68 |
| 331-007050 | (.6250) 5/8 | (.2500) 1/4 | (A) 60 | Single End | 100 | $61.02 |
| 331-007560 | (.6250) 5/8 | (.3750) 3/8 | (B) 82 | Single End | 242 | $62.98 |
| 331-008050 | (.75) 3/4 | (.3750) 3/8 | (A) 60 | Single End | 292 | $80.41 |
| 331-008070 | (.75) 3/4 | (.3750) 3/8 | (C) 90 | Single End | 164 | $80.56 |
| 331-001070 | (.1250) 1/8 | (.1250) 1/8 | (C) 90 | Single End | 405 | $12.42 |
| 331-006550 | (.5000) 1/2 | (.3750) 3/8 | (A) 60 | Single End | 136 | $44.46 |
| 331-008060 | (.75) 3/4 | (.3750) 3/8 | (B) 82 | Single End | 15 | $80.41 |
| 331-006080 | (.5000) 1/2 | (.2500) 1/4 | (D) 100 | Single End | 237 | $42.97 |
| 331-007070 | (.6250) 5/8 | (.2500) 1/4 | (C) 90 | Single End | 47 | $61.02 |
| 331-008090 | (.75) 3/4 | (.3750) 3/8 | (F) 120 | Single End | 81 | $80.58 |
| 331-010060 | (1) 1 | (.5000) 1/2 | (B) 82 | Single End | 4 | $127.68 |
| 331-010070 | (1) 1 | (.5000) 1/2 | (C) 90 | Single End | 212 | $127.96 |
| 331-006580 | (.5000) 1/2 | (.3750) 3/8 | (D) 100 | Single End | 41 | $44.5 |
| 331-007550 | (.6250) 5/8 | (.3750) 3/8 | (A) 60 | Single End | 40 | $63.06 |
| 331-008550 | (.75) 3/4 | (.5000) 1/2 | (A) 60 | Single End | 35 | $82.97 |
| 331-010080 | (1) 1 | (.5000) 1/2 | (D) 100 | Single End | 36 | $127.57 |
| 331-011090 | (1.25) 1-1/4 | (.75) 3/4 | (F) 120 | Single End | 15 | $195.34 |
| 331-012050 | (1.5) 1-1/2 | (.75) 3/4 | (A) 60 | Single End | 38 | $272.63 |
| 331-006060 | (.5000) 1/2 | (.2500) 1/4 | (B) 82 | Single End | 338 | $42.93 |
| 331-007080 | (.6250) 5/8 | (.2500) 1/4 | (D) 100 | Single End | 8 | $60.94 |
| 331-007090 | (.6250) 5/8 | (.2500) 1/4 | (F) 120 | Single End | 47 | $61.05 |
| 331-008080 | (.75) 3/4 | (.3750) 3/8 | (D) 100 | Single End | 68 | $80.41 |
| 331-012060 | (1.5) 1-1/2 | (.75) 3/4 | (B) 82 | Single End | 14 | $272.63 |
| 331-012070 | (1.5) 1-1/2 | (.75) 3/4 | (C) 90 | Single End | 31 | $273.36 |
| 331-012090 | (1.5) 1-1/2 | (.75) 3/4 | (F) 120 | Single End | 9 | $268.33 |
| 331-100090 | 1/4, 1/2, 3/4 & 1 | 90 | Single End | 0 | $337.99 | |
| 331-008570 | (.75) 3/4 | (.5000) 1/2 | (C) 90 | Single End | 18 | $83.12 |
| 331-010090 | (1) 1 | (.5000) 1/2 | (F) 120 | Single End | 41 | $127.72 |
| 331-010050 | (1) 1 | (.5000) 1/2 | (A) 60 | Single End | 63 | $127.75 |
| 331-011060 | (1.25) 1-1/4 | (.75) 3/4 | (B) 82 | Single End | 49 | $194.98 |
| 331-100060 | 1/4, 1/2, 3/4 & 1 | 60 | Single End | 0 | $337.99 | |
| 331-202050 | (.1875) 3/16 | (.1875) 3/16 | 60 | Single End | 30 | $23.55 |
| 331-007060 | (.6250) 5/8 | (.2500) 1/4 | (B) 82 | Single End | 185 | $60.94 |
| 331-202080 | (.1875) 3/16 | (.1875) 3/16 | 100 | Single End | 50 | $23.55 |
| 331-011050 | (1.25) 1-1/4 | (.75) 3/4 | (A) 60 | Single End | 41 | $194.62 |
| 331-100082 | 1/4, 1/2, 3/4 & 1 | 82 | Single End | 2 | $337.99 | |
| 331-007570 | (.6250) 5/8 | (.3750) 3/8 | (C) 90 | Single End | 91 | $63.06 |
| 331-008560 | (.75) 3/4 | (.5000) 1/2 | (B) 82 | Single End | 4 | $82.97 |
| 331-011070 | (1.25) 1-1/4 | (.75) 3/4 | (C) 90 | Single End | 1 | $195.34 |
| 331-100120 | 1/4, 1/2, 3/4 & 1 | 120 | Single End | 0 | $337.99 | |
| 331-012080 | (1.5) 1-1/2 | (.75) 3/4 | (D) 100 | Single End | 19 | $268.53 |
| 331-201080 | (.1250) 1/8 | (.1250) 1/8 | 100 | Single End | 39 | $17.85 |
| 331-100100 | 1/4, 1/2, 3/4 & 1 | 100 | Single End | 0 | $337.99 | |
| 331-007580 | (.6250) 5/8 | (.3750) 3/8 | (D) 100 | Single End | 16 | $62.98 |
| 331-008580 | (.75) 3/4 | (.5000) 1/2 | (D) 100 | Single End | 36 | $82.97 |
| 331-203090 | (.2500) 1/4 | (.2500) 1/4 | 110 | Single End | 29 | $30.03 |
| 331-011080 | (1.25) 1-1/4 | (.75) 3/4 | (D) 100 | Single End | 30 | $195.34 |
| 331-201060 | (.1250) 1/8 | (.1250) 1/8 | 82 | Single End | 73 | $17.85 |
| 331-202060 | (.1875) 3/16 | (.1875) 3/16 | 82 | Single End | 75 | $23.55 |
| 331-202200 | (.1875) 3/16 | (.1875) 3/16 | (F) 120 | Double End | 76 | $23.55 |
| 331-205080 | (.3750) 3/8 | (.3750) 3/8 | 100 | Single End | 95 | $55.02 |
| 331-201090 | (.1250) 1/8 | (.1250) 1/8 | 110 | Single End | 159 | $17.85 |
| 331-203050 | (.2500) 1/4 | (.2500) 1/4 | 60 | Single End | 52 | $30.03 |
| 331-204070 | (.3125) 5/16 | (.3125) 5/16 | (C) 90 | Double End | 38 | $48.35 |
| 331-201100 | (.1250) 1/8 | (.1250) 1/8 | (F) 120 | Double End | 64 | $17.85 |
| 331-203070 | (.2500) 1/4 | (.2500) 1/4 | 90 | Single End | 353 | $30.03 |
| 331-203080 | (.2500) 1/4 | (.2500) 1/4 | 100 | Single End | 94 | $30.03 |
| 331-205090 | (.3750) 3/8 | (.3750) 3/8 | 110 | Single End | 13 | $55.02 |
| 331-203100 | (.2500) 1/4 | (.2500) 1/4 | (F) 120 | Double End | 68 | $30.03 |
| 331-204050 | (.3125) 5/16 | (.3125) 5/16 | 60 | Single End | 22 | $48.35 |
| 331-204100 | (.3125) 5/16 | (.3125) 5/16 | (F) 120 | Double End | 5 | $48.35 |
| 331-205070 | (.3750) 3/8 | (.3750) 3/8 | 90 | Single End | 85 | $55.02 |
| 331-202070 | (.1875) 3/16 | (.1875) 3/16 | 90 | Single End | 15 | $23.55 |
| 331-202090 | (.1875) 3/16 | (.1875) 3/16 | 110 | Single End | 4 | $23.55 |
| 331-201070 | (.1250) 1/8 | (.1250) 1/8 | 90 | Single End | 396 | $17.85 |
| 331-206060 | (.5000) 1/2 | (.5000) 1/2 | 82 | Single End | 72 | $77.14 |
| 331-206090 | (.5000) 1/2 | (.5000) 1/2 | 110 | Single End | 26 | $77.14 |
| 331-207060 | (.6250) 5/8 | (.6250) 5/8 | 82 | Single End | 12 | $163.17 |
| 331-207070 | (.6250) 5/8 | (.6250) 5/8 | 90 | Single End | 47 | $163.17 |
| 331-201050 | (.1250) 1/8 | (.1250) 1/8 | 60 | Single End | 74 | $17.85 |
| 331-208050 | (.75) 3/4 | (.75) 3/4 | 60 | Single End | 7 | $225.28 |
| 331-203060 | (.2500) 1/4 | (.2500) 1/4 | 82 | Single End | 312 | $30.03 |
| 331-207080 | (.6250) 5/8 | (.6250) 5/8 | 100 | Single End | 18 | $163.17 |
| 331-205050 | (.3750) 3/8 | (.3750) 3/8 | 60 | Single End | 25 | $55.02 |
| 331-208090 | (.75) 3/4 | (.75) 3/4 | 110 | Single End | 19 | $225.28 |
| 331-204080 | (.3125) 5/16 | (.3125) 5/16 | 100 | Single End | 43 | $48.35 |
| 331-204060 | (.3125) 5/16 | (.3125) 5/16 | (B) 82 | Double End | 54 | $48.35 |
| 331-204090 | (.3125) 5/16 | (.3125) 5/16 | (E) 110 | Double End | 20 | $48.35 |
| 331-205060 | (.3750) 3/8 | (.3750) 3/8 | 82 | Single End | 73 | $55.02 |
| 331-207050 | (.6250) 5/8 | (.6250) 5/8 | 60 | Single End | 11 | $163.17 |
| 331-205100 | (.3750) 3/8 | (.3750) 3/8 | (F) 120 | Double End | 52 | $55.02 |
| 331-207090 | (.6250) 5/8 | (.6250) 5/8 | (E) 110 | Double End | 8 | $163.17 |
| 331-206050 | (.5000) 1/2 | (.5000) 1/2 | 60 | Single End | 36 | $77.14 |
| 331-206100 | (.5000) 1/2 | (.5000) 1/2 | (F) 120 | Double End | 35 | $77.14 |
| 331-208060 | (.75) 3/4 | (.75) 3/4 | 82 | Single End | 12 | $225.28 |
| 331-208080 | (.75) 3/4 | (.75) 3/4 | 100 | Single End | 8 | $225.28 |
| 331-206070 | (.5000) 1/2 | (.5000) 1/2 | 90 | Single End | 22 | $77.14 |
| 331-208100 | (.75) 3/4 | (.75) 3/4 | (F) 120 | Double End | 9 | $225.28 |
| 331-207100 | (.6250) 5/8 | (.6250) 5/8 | (F) 120 | Double End | 30 | $163.17 |
| 331-208070 | (.75) 3/4 | (.75) 3/4 | 90 | Single End | 19 | $225.28 |
| 331-206080 | (.5000) 1/2 | (.5000) 1/2 | 100 | Single End | 57 | $77.14 |