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

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
N1
N2
Resources
Product Offering
Part Number | diasize | diadec | loc_in_display | oal_in_display | shank_dia_in_display | Stock | List Price |
---|---|---|---|---|---|---|---|
420818 | (.191) #11 | 0.1910 | (1) 1 | (1.5) 1-1/2 | (.191) #11 | 25 | $82.52 |
420802 | (.0938) 3/32 | 0.0938 | (1) 1 | (1.5) 1-1/2 | (.0938) 3/32 | 22 | $71.96 |
420801 | (.0938) 3/32 | 0.0938 | (1) 1 | (2.5) 2-1/2 | (.0938) 3/32 | 24 | $74.6 |
420809 | (.1563) 5/32 | 0.1562 | (1.5) 1-1/2 | (2.5) 2-1/2 | (.1563) 5/32 | 18 | $83.18 |
420807 | (.1285) #30 | 0.1285 | (1.5) 1-1/2 | (2.5) 2-1/2 | (.1285) #30 | 16 | $74.6 |
420811 | (.159) #21 | 0.1590 | (1.5) 1-1/2 | (2.5) 2-1/2 | (.159) #21 | 0 | $83.18 |
420819 | (.1935) #10 | 0.1935 | (1.5) 1-1/2 | (2.5) 2-1/2 | (.1935) #10 | 0 | $88.46 |
420804 | (.098) #40 | 0.0980 | (1) 1 | (1.5) 1-1/2 | (.098) #40 | 22 | $71.96 |
420820 | (.1935) #10 | 0.1935 | (1) 1 | (1.5) 1-1/2 | (.1935) #10 | 11 | $85.16 |
420821 | (.196) #9 | 0.1960 | (1.5) 1-1/2 | (2.5) 2-1/2 | (.196) 0.1960 | 0 | $88.46 |
420825 | (.2500) 1/4 | 0.2500 | (1.5) 1-1/2 | (2.5) 2-1/2 | (.2500) 1/4 | 25 | $101 |
420803 | (.098) #40 | 0.0980 | (1) 1 | (2.5) 2-1/2 | (.098) #40 | 15 | $74.6 |
420815 | (.1875) 3/16 | 0.1875 | (1.5) 1-1/2 | (2.5) 2-1/2 | (.1875) 3/16 | 20 | $86.49 |
420814 | (.161) #20 | 0.1610 | (1) 1 | (1.5) 1-1/2 | (.161) #20 | 23 | $79.88 |
420816 | (.1875) 3/16 | 0.1875 | (1) 1 | (1.5) 1-1/2 | (.1875) 3/16 | 22 | $82.52 |
420827 | (.3125) 5/16 | 0.3125 | (1.5) 1-1/2 | (2.5) 2-1/2 | (.3125) 5/16 | 27 | $116.85 |
420806 | (.1250) 1/8 | 0.1250 | (1) 1 | (1.5) 1-1/2 | (.1250) 1/8 | 12 | $71.96 |
420813 | (.161) #20 | 0.1610 | (1.5) 1-1/2 | (2.5) 2-1/2 | (.161) #20 | 21 | $83.18 |
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 | 20 | $88.46 |
420824 | (.199) #8 | 0.1990 | (1) 1 | (1.5) 1-1/2 | (.199) 0.1990 | 21 | $85.16 |
420817 | (.191) #11 | 0.1910 | (1.5) 1-1/2 | (2.5) 2-1/2 | (.191) #11 | 19 | $86.49 |
420830 | (.3750) 3/8 | 0.3750 | (1) 1 | (1.5) 1-1/2 | (.3750) 3/8 | 7 | $137.32 |
420829 | (.3750) 3/8 | 0.3750 | (1.5) 1-1/2 | (2.5) 2-1/2 | (.3750) 3/8 | 24 | $143.26 |
420805 | (.1250) 1/8 | 0.1250 | (1.5) 1-1/2 | (2.5) 2-1/2 | (.1250) 1/8 | 17 | $74.6 |
420810 | (.1563) 5/32 | 0.1562 | (1) 1 | (1.5) 1-1/2 | (.1563) 5/32 | 22 | $79.88 |
420826 | (.2500) 1/4 | 0.2500 | (1) 1 | (1.5) 1-1/2 | (.2500) 1/4 | 2 | $91.77 |
420828 | (.3125) 5/16 | 0.3125 | (1) 1 | (1.5) 1-1/2 | (.3125) 5/16 | 29 | $112.24 |