Metal Drilling
METAL DRILLING
156
Step Drill Bits / Sets
UNIBIT Sets
10502
CB
Description Type
Contents
Item #
4-
Piece Set
High Speed Steel Set
#1, 2, 4 & 21
10225
4-
Piece Set
High Speed Steel Set w/#1 TiN #1, 2 & 3 plus #1T
10228
3-
Piece Set
High Speed Steel Set
#1, 2 & 3
10502
ZR
3-
Piece Set
Titanium Nitride Coated Set
#1
T, 2T & 3T
15502
3-
Piece Set
Cobalt Set
#1
C, 2C & 3C
10502
CB
9-
Piece Set
Unibit/TiN Turbomax Set
#1, #4 & 7-
Piece TiN (1/16", 3/32",
1/8", 3/16",7/32", 1/4", 3/8")
3018008
Description
#
of Hole
Sizes
Hex Shank
Size
Carded
Item #
#1
MT
4
mm - 12 mm (1 mm steps)
9
1/4"
16101
#2
MT
4
mm - 12 mm (2 mm steps)
5
1/4"
16102
#3
MT
6
mm - 18 mm (2 mm steps)
7
3/8"
16103
#4
MT
4
mm - 22 mm (2 mm steps)
10
3/8"
16104
#5
MT
5
mm - 35 mm (2 - 3 mm steps)
13
7/16"
16105
UNIBIT
®
HSS Metric Titanium Nitride
(
TiN) Coated
Titanium Nitride coating resists heat and friction, extending the
cutting edge life up to six times longer than other high speed
steel step drill bits.
SpeedPoint
®
tip for fast starts.*
16103
Description
#
of Hole
Sizes
Hex Shank
Size
Carded
Item #
#1
1/8" - 1/2" (1/32"
steps)
13
1/4"
10231
#2
3/16" - 1/2" (1/16"
steps)
6
1/4"
10232
#3
1/4" - 3/4" (1/16"
steps)
9
3/8"
10233
#4
3/16" - 7/8" (1/16"
steps)
12
3/8"
10234
#5
1/4" - 1-3/8" (1/8"
steps)
10
7/16"
10235
#9
7/8"
and 1-1/8" (1/2" and 3/4" Knock-Out)
2
7/16"
10239
#10
1/2" (
single hole)
1
1/4"
10310
#11
7/8" (
single hole)
1
3/8"
10311
ZR
#12
3/8" (
single hole)
1
1/4"
10312
ZR
#13
1-1/8" (
single hole)
1
7/16"
10313
ZR
#14
1-7/32" (
single hole)
1
7/16"
10314
#20
9/16" - 1" (
hole enlarging)
8
7/16"
10220
#21
13/16" - 1-3/8"(
hole enlarging)
10
7/16"
10221
UNIBIT HSS Fractional
Description
#
of Hole
Sizes
Hex Shank
Size
Carded
Item #
#1
M 4 mm - 12 mm (1 mm steps)
9
1/4"
11101
ZR
#2
M 4 mm - 12 mm (2 mm steps)
5
1/4"
11102
#3
M 6 mm - 18 mm (2 mm steps)
7
3/8"
11103
#4
M 4 mm - 22 mm (2 mm steps)
10
3/8"
11104
#5
M 5 mm - 35 mm (2-3 mm steps)
13
7/16"
11105
ZR
#20
M 14 mm - 24 mm (hole enlarging)
6
7/16"
11580
#21
M 20 mm - 34 mm (hole enlarging)
8
7/16"
11581
PG29M 5 mm - 28.3 mm
10
7/16"
11194
29
mm 5 mm - 29 mm
10
7/16"
11195
UNIBIT HSS Metric
SpeedPoint
®
tip for fast starts.*
Geometry of single-flute cutting edge drills true,
round holes and provides maximum step control.
.
Sets:
10225, 10228, 10502
*
included on all self-starting sizes except for #1
10234
SpeedPoint
®
tip for fast starts.*
Geometry of single-flute cutting edge drills true,
round holes and provides maximum step control.
11101
ZR
SpeedPoint™ Tip