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

Performance - Holemaking

Series 110

2 Flute Carbide-Tip Drill

Carbide-Tip, 2FL, 20° Helix, 118° Point Angle, Screw Machine Length, Bright

K1

K2

N2

Performance - Holemaking

Series 115

2 Flute Carbide-Tip Screw Machine Length Drill

Carbide-Tip, 2FL, 20° Helix, 135° Point Angle, Bright

K1

K2

N2

S2

Performance - Holemaking

Series 120

2 Flute Carbide-Tip Jobber Length Drill

Carbide-Tip, 2FL, 20° Helix, 118° Point Angle, Jobber Length, Bright

K1

K2

N2

Performance - 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

Performance - Holemaking

Series 129

2 Flute Carbide-Tip Aircraft Drill

Carbide-Tip, 2FL, 20° Helix, 135° Point Angle, Bright

K1

K2

N2

S2

Performance - 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

Performance - Holemaking

Series 150

2 flute carbide-tip drill for hardened steel

Carbide-Tip, 2FL, 0° Helix, 118° Point Angle, Regular Length, Bright

H1

H2

Performance - Holemaking

Series 162

2 Flute Carbide-Tip Drill For Glass and Ceramics

Carbide-Tip, 2FL, 0° Helix, Regular Length, Bright

Performance - 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

Performance - 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

Performance - 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

Performance - 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

Performance - 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

Performance - 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

Performance - 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

Performance - 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

Performance - Holemaking

Series 4210

2 Flute 4-Facet Drill

Carbide, 2FL, 30° Helix, 135° Point Angle, 4-Facet, Bright

N1

N2

Performance - Holemaking

Series 4211

2 Flute 4-Facet Drill

Carbide, 2FL, 30° Helix, 135° Point Angle, 4-Facet, Threaded Shank, Bright

N1

N2

Performance - Holemaking

Series 4205

Single Flute Dagger Drill

Carbide, 1FL, Bright

N1

N2

Performance - Holemaking

Series 4206

Single Flute Dagger Drill

Carbide, 1FL, Threaded Shank, Bright

N1

N2

Performance - Holemaking

Series 4207

4 Flute Dreamer Drill

Carbide, 4FL, 118° Point Angle, Bright

N1

N2

Performance - Holemaking

Series 4208

4 Flute Dreamer Drill

Carbide, 4FL, 118° Point Angle, Threaded Shank, Bright

N1

N2

Performance - Holemaking

Series 4215

3 Flute Piloted Countersink

Carbide, 3FL, Threaded Shank, Piloted, Bright

N1

N2

Performance - Holemaking

Series 4218

Brazed Carbide Rivet Shaver

Carbide-Tip, Threaded Shank, Bright

N1

N2

Performance - Holemaking

Series 4219

Reverse Spot Facer

HSS, Bright

N1

N2

Performance - Holemaking

Series 4220

Reverse Spot Facer

Carbide, Bright

N1

N2

Performance - Holemaking

Series 402

2 Flute Spot Drill

Carbide, 0° Helix, 2FL, Bright, AlTiN

P1

P2

P3

K1

K2

N1

N2

Performance - Holemaking

Series 400

2 Flute Spade Drill

Carbide, 0° Helix, 2FL, Bright

P1

P2

P3

K1

K2

N1

N2

H1

Performance - 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

Performance - 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

Performance - 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

Performance - Holemaking

Series 453

3 Flute Twist Drill

Carbide, 3FL, 28° Helix, 150° Point Angle, Bright, TiN

P1

P2

P3

K1

K2

N1

N2

H1

Performance - Holemaking

Series 300

2 Flute Drill/Countersink

Carbide, 2FL, Bright, AlTiN, TiN

P1

P2

P3

K1

K2

N1

N2

H1

Performance - 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

Performance - 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

Performance - Holemaking

Series 331

1 Flute Countersink

Carbide, 1FL, Bright

P1

P2

P3

K1

K2

N1

N2

H1

Performance - Holemaking

Series 333

3 Flute Countersink

Carbide, 3FL, Bright

P1

P2

P3

K1

K2

N1

N2

H1

Performance - Holemaking

Series 334

4 Flute Countersink

Carbide, 4FL, Bright

P1

P2

P3

K1

K2

N1

N2

H1

Performance - Holemaking

Series 336

6 Flute Countersink

Carbide, 6FL, Bright

P1

P2

P3

K1

K2

N1

N2

H1

Performance - Holemaking

Series 601

Radius Boring Bar

Carbide, h6, Bright

P1

P2

P3

M1

M2

K1

K2

N1

N2

S1

S2

H1


Work Materials

P1

P2

P3

K1

K2

N1

N2

H1

Product Offering

Part Number cut_dia_in_display shank_dia_in_display angle_display style Stock List Price
331-001070 (.1250) 1/8 (.1250) 1/8 (C) 90 Single End 350 $12.42
331-001080 (.1250) 1/8 (.1250) 1/8 (D) 100 Single End 119 $12.42
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 120 $16.27
331-002060 (.1875) 3/16 (.1875) 3/16 (B) 82 Single End 179 $16.27
331-002070 (.1875) 3/16 (.1875) 3/16 (C) 90 Single End 411 $16.27
331-002080 (.1875) 3/16 (.1875) 3/16 (D) 100 Single End 129 $16.27
331-002090 (.1875) 3/16 (.1875) 3/16 (F) 120 Single End 48 $16.27
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 227 $19.26
331-003070 (.2500) 1/4 (.2500) 1/4 (C) 90 Single End 944 $19.26
331-003080 (.2500) 1/4 (.2500) 1/4 (D) 100 Single End 186 $19.26
331-003090 (.2500) 1/4 (.2500) 1/4 (F) 120 Single End 98 $19.26
331-004050 (.3125) 5/16 (.2500) 1/4 (A) 60 Single End 2 $27.18
331-004080 (.3125) 5/16 (.2500) 1/4 (D) 100 Single End 0 $27.21
331-005050 (.3750) 3/8 (.2500) 1/4 (A) 60 Single End 99 $32.65
331-005060 (.3750) 3/8 (.2500) 1/4 (B) 82 Single End 74 $32.65
331-005070 (.3750) 3/8 (.2500) 1/4 (C) 90 Single End 169 $32.68
331-005080 (.3750) 3/8 (.2500) 1/4 (D) 100 Single End 203 $32.68
331-005090 (.3750) 3/8 (.2500) 1/4 (F) 120 Single End 76 $32.68
331-006050 (.5000) 1/2 (.2500) 1/4 (A) 60 Single End 401 $42.92
331-006060 (.5000) 1/2 (.2500) 1/4 (B) 82 Single End 289 $42.93
331-006070 (.5000) 1/2 (.2500) 1/4 (C) 90 Single End 250 $43
331-006080 (.5000) 1/2 (.2500) 1/4 (D) 100 Single End 208 $42.97
331-006090 (.5000) 1/2 (.2500) 1/4 (F) 120 Single End 104 $42.95
331-006550 (.5000) 1/2 (.3750) 3/8 (A) 60 Single End 133 $44.46
331-006560 (.5000) 1/2 (.3750) 3/8 (B) 82 Single End 577 $44.47
331-006570 (.5000) 1/2 (.3750) 3/8 (C) 90 Single End 283 $44.54
331-006580 (.5000) 1/2 (.3750) 3/8 (D) 100 Single End 240 $44.5
331-007050 (.6250) 5/8 (.2500) 1/4 (A) 60 Single End 100 $61.02
331-007060 (.6250) 5/8 (.2500) 1/4 (B) 82 Single End 179 $60.94
331-007070 (.6250) 5/8 (.2500) 1/4 (C) 90 Single End 45 $61.02
331-007080 (.6250) 5/8 (.2500) 1/4 (D) 100 Single End 96 $60.94
331-007090 (.6250) 5/8 (.2500) 1/4 (F) 120 Single End 45 $61.05
331-007550 (.6250) 5/8 (.3750) 3/8 (A) 60 Single End 40 $63.06
331-007560 (.6250) 5/8 (.3750) 3/8 (B) 82 Single End 227 $62.98
331-007570 (.6250) 5/8 (.3750) 3/8 (C) 90 Single End 87 $63.06
331-007580 (.6250) 5/8 (.3750) 3/8 (D) 100 Single End 3 $62.98
331-008050 (.75) 3/4 (.3750) 3/8 (A) 60 Single End 292 $80.41
331-008060 (.75) 3/4 (.3750) 3/8 (B) 82 Single End 92 $80.41
331-008070 (.75) 3/4 (.3750) 3/8 (C) 90 Single End 109 $80.56
331-008080 (.75) 3/4 (.3750) 3/8 (D) 100 Single End 68 $80.41
331-008090 (.75) 3/4 (.3750) 3/8 (F) 120 Single End 81 $80.58
331-008550 (.75) 3/4 (.5000) 1/2 (A) 60 Single End 35 $82.97
331-008560 (.75) 3/4 (.5000) 1/2 (B) 82 Single End 198 $82.97
331-008570 (.75) 3/4 (.5000) 1/2 (C) 90 Single End 241 $83.12
331-008580 (.75) 3/4 (.5000) 1/2 (D) 100 Single End 36 $82.97
331-010050 (1) 1 (.5000) 1/2 (A) 60 Single End 50 $127.75
331-010060 (1) 1 (.5000) 1/2 (B) 82 Single End 503 $127.68
331-010070 (1) 1 (.5000) 1/2 (C) 90 Single End 186 $127.96
331-010080 (1) 1 (.5000) 1/2 (D) 100 Single End 36 $127.57
331-010090 (1) 1 (.5000) 1/2 (F) 120 Single End 41 $127.72
331-011050 (1.25) 1-1/4 (.75) 3/4 (A) 60 Single End 41 $194.62
331-011060 (1.25) 1-1/4 (.75) 3/4 (B) 82 Single End 48 $194.98
331-011070 (1.25) 1-1/4 (.75) 3/4 (C) 90 Single End 47 $195.34
331-011080 (1.25) 1-1/4 (.75) 3/4 (D) 100 Single End 30 $195.34
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
331-012060 (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
331-012080 (1.5) 1-1/2 (.75) 3/4 (D) 100 Single End 19 $268.53
331-012090 (1.5) 1-1/2 (.75) 3/4 (F) 120 Single End 9 $268.33
331-100060 1/4, 1/2, 3/4 & 1 60 Single End 0 $337.99
331-100082 1/4, 1/2, 3/4 & 1 82 Single End 0 $337.99
331-100090 1/4, 1/2, 3/4 & 1 90 Single End 0 $337.99
331-100100 1/4, 1/2, 3/4 & 1 100 Single End 0 $337.99
331-100120 1/4, 1/2, 3/4 & 1 120 Single End 0 $337.99
331-201050 (.1250) 1/8 (.1250) 1/8 60 Single End 70 $17.85
331-201060 (.1250) 1/8 (.1250) 1/8 82 Single End 73 $17.85
331-201070 (.1250) 1/8 (.1250) 1/8 90 Single End 361 $17.85
331-201080 (.1250) 1/8 (.1250) 1/8 100 Single End 34 $17.85
331-201090 (.1250) 1/8 (.1250) 1/8 110 Single End 156 $17.85
331-201100 (.1250) 1/8 (.1250) 1/8 (F) 120 Double End 54 $17.85
331-202050 (.1875) 3/16 (.1875) 3/16 60 Single End 85 $23.55
331-202060 (.1875) 3/16 (.1875) 3/16 82 Single End 75 $23.55
331-202070 (.1875) 3/16 (.1875) 3/16 90 Single End 104 $23.55
331-202080 (.1875) 3/16 (.1875) 3/16 100 Single End 50 $23.55
331-202090 (.1875) 3/16 (.1875) 3/16 110 Single End 28 $23.55
331-202200 (.1875) 3/16 (.1875) 3/16 (F) 120 Double End 76 $23.55
331-203050 (.2500) 1/4 (.2500) 1/4 60 Single End 52 $30.03
331-203060 (.2500) 1/4 (.2500) 1/4 82 Single End 312 $30.03
331-203070 (.2500) 1/4 (.2500) 1/4 90 Single End 332 $30.03
331-203080 (.2500) 1/4 (.2500) 1/4 100 Single End 84 $30.03
331-203090 (.2500) 1/4 (.2500) 1/4 110 Single End 26 $30.03
331-203100 (.2500) 1/4 (.2500) 1/4 (F) 120 Double End 53 $30.03
331-204050 (.3125) 5/16 (.3125) 5/16 60 Single End 22 $48.35
331-204060 (.3125) 5/16 (.3125) 5/16 (B) 82 Double End 48 $48.35
331-204070 (.3125) 5/16 (.3125) 5/16 (C) 90 Double End 111 $48.35
331-204080 (.3125) 5/16 (.3125) 5/16 100 Single End 38 $48.35
331-204090 (.3125) 5/16 (.3125) 5/16 (E) 110 Double End 20 $48.35
331-204100 (.3125) 5/16 (.3125) 5/16 (F) 120 Double End 29 $48.35
331-205050 (.3750) 3/8 (.3750) 3/8 60 Single End 85 $55.02
331-205060 (.3750) 3/8 (.3750) 3/8 82 Single End 167 $55.02
331-205070 (.3750) 3/8 (.3750) 3/8 90 Single End 83 $55.02
331-205080 (.3750) 3/8 (.3750) 3/8 100 Single End 98 $55.02
331-205090 (.3750) 3/8 (.3750) 3/8 110 Single End 13 $55.02
331-205100 (.3750) 3/8 (.3750) 3/8 (F) 120 Double End 52 $55.02
331-206050 (.5000) 1/2 (.5000) 1/2 60 Single End 36 $77.14
331-206060 (.5000) 1/2 (.5000) 1/2 82 Single End 70 $77.14
331-206070 (.5000) 1/2 (.5000) 1/2 90 Single End 14 $77.14
331-206080 (.5000) 1/2 (.5000) 1/2 100 Single End 41 $77.14
331-206090 (.5000) 1/2 (.5000) 1/2 110 Single End 26 $77.14
331-206100 (.5000) 1/2 (.5000) 1/2 (F) 120 Double End 33 $77.14
331-207050 (.6250) 5/8 (.6250) 5/8 60 Single End 11 $163.17
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
331-207080 (.6250) 5/8 (.6250) 5/8 100 Single End 16 $163.17
331-207090 (.6250) 5/8 (.6250) 5/8 (E) 110 Double End 8 $163.17
331-207100 (.6250) 5/8 (.6250) 5/8 (F) 120 Double End 30 $163.17
331-208050 (.75) 3/4 (.75) 3/4 60 Single End 7 $225.28
331-208060 (.75) 3/4 (.75) 3/4 82 Single End 12 $225.28
331-208070 (.75) 3/4 (.75) 3/4 90 Single End 19 $225.28
331-208080 (.75) 3/4 (.75) 3/4 100 Single End 8 $225.28
331-208090 (.75) 3/4 (.75) 3/4 110 Single End 19 $225.28
331-208100 (.75) 3/4 (.75) 3/4 (F) 120 Double End 9 $225.28