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 4205

Single Flute Dagger Drill

Carbide, 1FL, 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 4219

Reverse Spot Facer

HSS, Bright

N1

N2

General Purpose - Holemaking

Series 4220

Reverse Spot Facer

Carbide, 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

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 597 $11.72
331-001080 (.1250) 1/8 (.1250) 1/8 (D) 100 Single End 125 $11.72
331-001090 (.1250) 1/8 (.1250) 1/8 (F) 120 Single End 95 $11.72
331-002050 (.1875) 3/16 (.1875) 3/16 (A) 60 Single End 123 $15.35
331-002060 (.1875) 3/16 (.1875) 3/16 (B) 82 Single End 197 $15.35
331-002070 (.1875) 3/16 (.1875) 3/16 (C) 90 Single End 436 $15.35
331-002080 (.1875) 3/16 (.1875) 3/16 (D) 100 Single End 129 $15.35
331-002090 (.1875) 3/16 (.1875) 3/16 (F) 120 Single End 48 $15.35
331-003050 (.2500) 1/4 (.2500) 1/4 (A) 60 Single End 308 $18.17
331-003060 (.2500) 1/4 (.2500) 1/4 (B) 82 Single End 115 $18.17
331-003070 (.2500) 1/4 (.2500) 1/4 (C) 90 Single End 921 $18.17
331-003080 (.2500) 1/4 (.2500) 1/4 (D) 100 Single End 88 $18.17
331-003090 (.2500) 1/4 (.2500) 1/4 (F) 120 Single End 130 $18.17
331-004050 (.3125) 5/16 (.2500) 1/4 (A) 60 Single End 2 $25.65
331-004080 (.3125) 5/16 (.2500) 1/4 (D) 100 Single End 0 $25.67
331-005050 (.3750) 3/8 (.2500) 1/4 (A) 60 Single End 144 $30.80
331-005060 (.3750) 3/8 (.2500) 1/4 (B) 82 Single End 516 $30.80
331-005070 (.3750) 3/8 (.2500) 1/4 (C) 90 Single End 499 $30.83
331-005080 (.3750) 3/8 (.2500) 1/4 (D) 100 Single End 86 $30.83
331-005090 (.3750) 3/8 (.2500) 1/4 (F) 120 Single End 165 $30.83
331-006050 (.5000) 1/2 (.2500) 1/4 (A) 60 Single End 411 $40.49
331-006060 (.5000) 1/2 (.2500) 1/4 (B) 82 Single End 88 $40.50
331-006070 (.5000) 1/2 (.2500) 1/4 (C) 90 Single End 103 $40.57
331-006080 (.5000) 1/2 (.2500) 1/4 (D) 100 Single End 65 $40.53
331-006090 (.5000) 1/2 (.2500) 1/4 (F) 120 Single End 0 $40.52
331-006550 (.5000) 1/2 (.3750) 3/8 (A) 60 Single End 136 $41.94
331-006560 (.5000) 1/2 (.3750) 3/8 (B) 82 Single End 703 $41.95
331-006570 (.5000) 1/2 (.3750) 3/8 (C) 90 Single End 185 $42.01
331-006580 (.5000) 1/2 (.3750) 3/8 (D) 100 Single End 59 $41.98
331-007050 (.6250) 5/8 (.2500) 1/4 (A) 60 Single End 100 $57.56
331-007060 (.6250) 5/8 (.2500) 1/4 (B) 82 Single End 69 $57.49
331-007070 (.6250) 5/8 (.2500) 1/4 (C) 90 Single End 58 $57.56
331-007080 (.6250) 5/8 (.2500) 1/4 (D) 100 Single End 15 $57.49
331-007090 (.6250) 5/8 (.2500) 1/4 (F) 120 Single End 47 $57.60
331-007550 (.6250) 5/8 (.3750) 3/8 (A) 60 Single End 40 $59.49
331-007560 (.6250) 5/8 (.3750) 3/8 (B) 82 Single End 31 $59.42
331-007570 (.6250) 5/8 (.3750) 3/8 (C) 90 Single End 106 $59.49
331-007580 (.6250) 5/8 (.3750) 3/8 (D) 100 Single End 29 $59.42
331-008050 (.75) 3/4 (.3750) 3/8 (A) 60 Single End 292 $75.86
331-008060 (.75) 3/4 (.3750) 3/8 (B) 82 Single End 0 $75.86
331-008070 (.75) 3/4 (.3750) 3/8 (C) 90 Single End 211 $76.00
331-008080 (.75) 3/4 (.3750) 3/8 (D) 100 Single End 81 $75.86
331-008090 (.75) 3/4 (.3750) 3/8 (F) 120 Single End 85 $76.02
331-008550 (.75) 3/4 (.5000) 1/2 (A) 60 Single End 64 $78.28
331-008560 (.75) 3/4 (.5000) 1/2 (B) 82 Single End 101 $78.28
331-008570 (.75) 3/4 (.5000) 1/2 (C) 90 Single End 5 $78.42
331-008580 (.75) 3/4 (.5000) 1/2 (D) 100 Single End 60 $78.28
331-010050 (1) 1 (.5000) 1/2 (A) 60 Single End 82 $120.52
331-010060 (1) 1 (.5000) 1/2 (B) 82 Single End 50 $120.45
331-010070 (1) 1 (.5000) 1/2 (C) 90 Single End 290 $120.72
331-010080 (1) 1 (.5000) 1/2 (D) 100 Single End 42 $120.35
331-010090 (1) 1 (.5000) 1/2 (F) 120 Single End 42 $120.49
331-011050 (1.25) 1-1/4 (.75) 3/4 (A) 60 Single End 41 $183.61
331-011060 (1.25) 1-1/4 (.75) 3/4 (B) 82 Single End 57 $183.95
331-011070 (1.25) 1-1/4 (.75) 3/4 (C) 90 Single End 7 $184.29
331-011080 (1.25) 1-1/4 (.75) 3/4 (D) 100 Single End 9 $184.29
331-011090 (1.25) 1-1/4 (.75) 3/4 (F) 120 Single End 15 $184.29
331-012050 (1.5) 1-1/2 (.75) 3/4 (A) 60 Single End 14 $257.20
331-012060 (1.5) 1-1/2 (.75) 3/4 (B) 82 Single End 16 $257.20
331-012070 (1.5) 1-1/2 (.75) 3/4 (C) 90 Single End 31 $257.89
331-012080 (1.5) 1-1/2 (.75) 3/4 (D) 100 Single End 19 $253.33
331-012090 (1.5) 1-1/2 (.75) 3/4 (F) 120 Single End 9 $253.14
331-201100 (.1250) 1/8 (.1250) 1/8 (F) 120 Double End 79 $16.84
331-202200 (.1875) 3/16 (.1875) 3/16 (F) 120 Double End 87 $22.22
331-203100 (.2500) 1/4 (.2500) 1/4 (F) 120 Double End 118 $28.33
331-204060 (.3125) 5/16 (.3125) 5/16 (B) 82 Double End 1 $45.61
331-204070 (.3125) 5/16 (.3125) 5/16 (C) 90 Double End 38 $45.61
331-204090 (.3125) 5/16 (.3125) 5/16 (E) 110 Double End 20 $45.61
331-204100 (.3125) 5/16 (.3125) 5/16 (F) 120 Double End 6 $45.61
331-205100 (.3750) 3/8 (.3750) 3/8 (F) 120 Double End 63 $51.91
331-206100 (.5000) 1/2 (.5000) 1/2 (F) 120 Double End 1 $72.77
331-207090 (.6250) 5/8 (.6250) 5/8 (E) 110 Double End 8 $153.94
331-207100 (.6250) 5/8 (.6250) 5/8 (F) 120 Double End 30 $153.94
331-208100 (.75) 3/4 (.75) 3/4 (F) 120 Double End 14 $212.53