DRMT | 4FL | 1.5" & 2.5" OAL | Threaded Shank

Solid Carbide Drill/Reamers for Aircraft

Tool Features

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

Series 4208 Overview

  • Structural aircraft Dreamer drill
  • Sub-micron grade carbide substrate for wear resistance
  • Drill and Reamer In-One
  • Threaded Shank
  • Ideal for composites and Aluminum
  • For manual or pneumatic drilling operations
  • Adapter = 1/4-28 HSS

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 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 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 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

N1

N2

Resources

GWS Product Catalog

Product Offering

Part Number diasize diadec loc_in_display oal_in_display shank_dia_in_display Stock List Price
420801 (.0938) 3/32 0.0938 (1) 1 (2.5) 2-1/2 (.0938) 3/32 24 $74.6
420802 (.0938) 3/32 0.0938 (1) 1 (1.5) 1-1/2 (.0938) 3/32 22 $71.96
420803 (.098) #40 0.0980 (1) 1 (2.5) 2-1/2 (.098) #40 12 $74.6
420804 (.098) #40 0.0980 (1) 1 (1.5) 1-1/2 (.098) #40 22 $71.96
420805 (.1250) 1/8 0.1250 (1.5) 1-1/2 (2.5) 2-1/2 (.1250) 1/8 17 $74.6
420806 (.1250) 1/8 0.1250 (1) 1 (1.5) 1-1/2 (.1250) 1/8 12 $71.96
420807 (.1285) #30 0.1285 (1.5) 1-1/2 (2.5) 2-1/2 (.1285) #30 13 $74.6
420808 (.1285) #30 0.1285 (1) 1 (1.5) 1-1/2 (.1285) #30 7 $71.96
420809 (.1563) 5/32 0.1562 (1.5) 1-1/2 (2.5) 2-1/2 (.1563) 5/32 18 $83.18
420810 (.1563) 5/32 0.1562 (1) 1 (1.5) 1-1/2 (.1563) 5/32 22 $79.88
420811 (.159) #21 0.1590 (1.5) 1-1/2 (2.5) 2-1/2 (.159) #21 15 $83.18
420812 (.159) #21 0.1590 (1) 1 (1.5) 1-1/2 (.159) #21 23 $79.88
420813 (.161) #20 0.1610 (1.5) 1-1/2 (2.5) 2-1/2 (.161) #20 21 $83.18
420814 (.161) #20 0.1610 (1) 1 (1.5) 1-1/2 (.161) #20 23 $79.88
420815 (.1875) 3/16 0.1875 (1.5) 1-1/2 (2.5) 2-1/2 (.1875) 3/16 18 $86.49
420816 (.1875) 3/16 0.1875 (1) 1 (1.5) 1-1/2 (.1875) 3/16 22 $82.52
420817 (.191) #11 0.1910 (1.5) 1-1/2 (2.5) 2-1/2 (.191) #11 69 $86.49
420818 (.191) #11 0.1910 (1) 1 (1.5) 1-1/2 (.191) #11 25 $82.52
420819 (.1935) #10 0.1935 (1.5) 1-1/2 (2.5) 2-1/2 (.1935) #10 0 $88.46
420820 (.1935) #10 0.1935 (1) 1 (1.5) 1-1/2 (.1935) #10 8 $85.16
420821 (.196) #9 0.1960 (1.5) 1-1/2 (2.5) 2-1/2 (.196) 0.1960 0 $88.46
420822 (.196) #9 0.1960 (1) 1 (1.5) 1-1/2 (.196) 0.1960 13 $85.16
420823 (.199) #8 0.1990 (1.5) 1-1/2 (2.5) 2-1/2 (.199) 0.1990 18 $88.46
420824 (.199) #8 0.1990 (1) 1 (1.5) 1-1/2 (.199) 0.1990 21 $85.16
420825 (.2500) 1/4 0.2500 (1.5) 1-1/2 (2.5) 2-1/2 (.2500) 1/4 25 $101
420826 (.2500) 1/4 0.2500 (1) 1 (1.5) 1-1/2 (.2500) 1/4 2 $91.77
420827 (.3125) 5/16 0.3125 (1.5) 1-1/2 (2.5) 2-1/2 (.3125) 5/16 27 $116.85
420828 (.3125) 5/16 0.3125 (1) 1 (1.5) 1-1/2 (.3125) 5/16 29 $112.24
420829 (.3750) 3/8 0.3750 (1.5) 1-1/2 (2.5) 2-1/2 (.3750) 3/8 24 $143.26
420830 (.3750) 3/8 0.3750 (1) 1 (1.5) 1-1/2 (.3750) 3/8 7 $137.32