4 - 6FL | Slow Spiral | 45° Chamfer

Solid Carbide Spiral Flute Chucking Reamer

Tool Features

Carbide, Multi FL, 10° Helix, 15° Helix, Corner Chamfer, Bright

Series 550 Overview

  • ≤1/4 Diameter Tolerance = +0/+0.0002"
  • >1/4 Diameter Tolerance = +0/+0.0003"
  • Expand an existing hole to a precise size or create a perfect hole finish
  • Reduced neck for through-hole clearance
  • Best suited for through holes
  • Helical flute geometry pulls chips up out of the hole

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

M1

M2

K1

K2

N1

N2

S1

S2

H1

Product Offering

Part Number diasize diadec loc_in_display oal_in_display shank_dia_in_display flute helix Stock List Price
550-001005 (.0781) 5/64 (.0781) 0.0781 (.2500) 1/4 (1.75) 1-3/4 (.0781) 5/64 15 145 $13.33
550-001006 (.0938) 3/32 (.0938) 3/32 (.5000) 1/2 (2) 2 (.0938) 3/32 15 251 $16.29
550-001007 (.1094) 7/64 (.1093) 0.1093 (.6250) 5/8 (2.25) 2-1/4 (.1094) 7/64 15 133 $16.25
550-001008 (.1250) 1/8 (.1250) 1/8 (.6250) 5/8 (2.25) 2-1/4 (.1250) 1/8 15 220 $16.81
550-001009 (.1406) 9/64 (.1406) 0.1406 (.75) 3/4 (2.5) 2-1/2 (.1406) 9/64 10 4 $17.87
550-001010 (.1563) 5/32 (.1563) 5/32 (.75) 3/4 (2.5) 2-1/2 (.1563) 5/32 10 81 $18.15
550-001011 (.1719) 11/64 (.1718) 0.1718 (.8750) 7/8 (2.75) 2-3/4 (.1719) 11/64 10 15 $20.46
550-001012 (.1875) 3/16 (.1875) 3/16 (.8750) 7/8 (2.75) 2-3/4 (.1875) 3/16 10 145 $20.72
550-001013 (.2826) 9/32 (.2031) 0.2031 (1) 1 (3) 3 (.2826) 9/32 10 112 $23.70
550-001014 (.2188) 7/32 (.2187) 0.2187 (1) 1 (3) 3 (.2188) 7/32 10 20 $24.75
550-001015 (.2344) 15/64 (.2343) 0.2343 (1) 1 (3) 3 (.2344) 15/64 10 100 $26.80
550-001016 (.2500) 1/4 (.2500) 1/4 (1) 1 (3) 3 (.2500) 1/4 10 36 $27.07
550-001017 (.2656) 17/64 (.2656) 0.2656 (1.125) 1-1/8 (3.25) 3-1/4 (.2656) 17/64 10 3 $33.69
550-001018 (.2813) 9/32 (.2812) 0.2812 (1.125) 1-1/8 (3.25) 3-1/4 (.2813) 9/32 10 4 $33.96
550-001020 (.3125) 5/16 (.3125) 0.3125 (1.125) 1-1/8 (3.25) 3-1/4 (.3125) 5/16 10 11 $34.51
550-001024 (.3750) 3/8 (.375) 0.3750 (1.25) 1-1/4 (3.5) 3-1/2 (.3750) 3/8 10 34 $49.37
550-001026 (.4063) 13/32 (.4062) 0.4062 (1.25) 1-1/4 (3.5) 3-1/2 (.4063) 13/32 10 12 $59.59
550-001028 (.4375) 7/16 (.4375) 0.4375 (1.375) 1-3/8 (4) 4 (.4375) 7/16 10 5 $72.19
550-001032 (.5000) 1/2 (.5) 0.5000 (1.5) 1-1/2 (4) 4 (.5000) 1/2 10 6 $91.35