Model: UNIBIT III

Step Drill

Properties:

Shank Width Across Wrench Flats
0.375 inches
Cutting Diameter Range
+0.250 to 0.750 inches
Flute Quantity
1
Step Quantity
9
Drive Shank Type
Male straight hexagon
Depth Penetration Per Step
0.125 inches
Functional Description
Used to drill multiple size holes in thin sections of metal up to 1/8 in. Thick as well as in plastic and wood
Material
Steel, high speed
General Description
High speed steel; single bit; single flute; drills 9 holes size 1/4 to 3/4 in. Diameter in 1/16 in. Increments; no pilot hole required; fits 3/8 in. And larger electric drills; 1/8 in. Depth penetration per step
NSN
5133-01-146-4578
Part Number
UNIBIT III
Description
Drill,step
CAGE
61109

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

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