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Integral Drill Steels


Standard Sizes
Body Section
Hexagon
Shank
I.S.O.
Series
Effective Length (L) Tip Diameter Part
Code
mm ft / in mm inches
7/8" Hexagon 4-1/4" (108mm) × 7/8" 11 800 2' 7" 34 1 11/32 9931760105
  1600 5' 3" 33 1 19/64 9931760110
2400 7' 10" 32 1 1/4 9931760115
3200 10' 6" 31 1 7/32 9931760120
4000 13' 1" 30 1 3/16 9931760125
4800 15' 9" 29 1 9/64 9931760130

Standard Sizes
Body Section
Hexagon
Shank
I.S.O.
Series
Effective Length (L) Tip Diameter Part
Code
mm ft / in mm inches
7/8" Hexagon 4-1/4" (108mm) × 7/8" 12 800 2' 7" 40 1 37/64 9931760135
  1600 5' 3" 39 1 17/32 9931760140
2400 7' 10" 38 1 1/2 9931760145
3200 10' 6" 37 1 29/64 9931760150
4000 13' 1" 36 1 27/64 9931760155
4800 15' 9" 35 1 3/8 9931760160
5600 18' 4" 34 1 11/32 9931760165
6400 21' 0" 33 1 19/64 9931760170

Standard Sizes
Body Section
Hexagon
Shank
I.S.O.
Series
Effective Length (L) Tip Diameter Part
Code
mm ft / in mm inches
7/8" Hexagon 4-1/4" (108mm) × 7/8" 13 400 1' 4" 34 1 11/32 9931760175
  800 2' 7" 33 1 19/64 9931760180
1200 3' 11" 32 1 1/4 9931760185
1600 5' 3" 31 1 7/32 9931760190
2000 6' 7" 35 1 3/8 9931760195

Standard Sizes
Body Section
Hexagon
Shank
I.S.O.
Series
Effective Length (L) Tip Diameter Part
Code
mm ft / in mm inches
7/8" Hexagon 4-1/4" (108mm) × 7/8" 14 500 1' 8" 32 1 1/4 9931760200

Standard Sizes
Body Section
Hexagon
Shank
I.S.O.
Series
Effective Length (L) Tip Diameter Part
Code
mm ft / in mm inches
7/8" Hexagon 4-1/4" (108mm) × 7/8" 15 1200 3' 11" 34 1 11/32 9931760205
  1200 3' 11" 40 1 37/64 9931760210

Standard Sizes
Body Section
Hexagon
Shank
I.S.O.
Series
Effective Length (L) Tip Diameter Part
Code
mm ft / in mm inches
7/8" Hexagon 4-1/4" (108mm) × 7/8" 16 600 2' 0" 35 1 3/8 9931760215
  1200 3' 11" 34 1 11/32 9931760220
1800 5' 11" 33 1 19/64 9931760225
2400 7' 10" 32 1 1/4 9931760230

Standard Sizes
Body Section
Hexagon
Shank
I.S.O.
Series
Effective Length (L) Tip Diameter Part
Code
mm ft / in mm inches
7/8" Hexagon 4-1/4" (108mm) × 7/8" 17 600 2' 0" 41 1 5/8 9931760235
  1200 3' 11" 40 1 37/64 9931760240
1800 5' 11" 39 1 17/32 9931760245
2400 7' 10" 38 1 1/2 9931760250

Standard Sizes
Body Section
Hexagon
Shank
I.S.O.
Series
Effective Length (L) Tip Diameter Part
Code
mm ft / in mm inches
7/8" Hexagon 4-1/4" (108mm) × 7/8" Boulder Steels 500 1' 8" 34 1 11/32 9931760255
  500 1' 8" 35 1 3/8 9931760260
500 1' 8" 40 1 37/64 9931760265

Standard Sizes
Body Section
Hexagon
Shank
I.S.O.
Series
Effective Length (L) Tip Diameter Part
Code
mm ft / in mm inches
1" Hexagon 4-1/4" (108mm) × 7/8" 31 800 2' 7" 36 1 27/64 9931760270
  1600 5' 3" 35 1 3/8 9931760275
2400 7' 10" 34 1 11/32 9931760280
3200 10' 6" 33 1 19/64 9931760285

Standard Sizes
Body Section
Hexagon
Shank
I.S.O.
Series
Effective Length (L) Tip Diameter Part
Code
mm ft / in mm inches
1" Hexagon 4-1/4" (108mm) × 7/8" 32 800 2' 7" 42 1 21/32 9931760290
  1600 5' 3" 41 1 5/8 9931760295
2400 7' 10" 40 1 37/64 9931760300
3200 10' 6" 38 1 1/2 9931760305