Part Number 15102

Step Drill
Description

Step drill bits are used to drill metal up to 1/4 thick. They are designed to enlarge a hole as the bit drills through the metal. Each step on the bit is larger in diameter than the step before. Smaller step drill bits are self-starting and no pilot bit

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
15102
Demil:
No
Shelf Life:
UOM:
NIIN:
014133642
NSN
National Stock Number:
5133-01-413-3642 5133014133642
TXT
Description:
Step Drill
INC
INC
Item Name Code:
77777
MRC:
The shortest straight line between wrenching flats,perpendicular to the height of the shank.AGHB
Shank Width Across Wrench Flats:
0.250 inches
MRC:
The dimensional cutting limits provided by the item.AKZM
Cutting Diameter Range:
+0.188 to 0.500 inches
MRC:
The number of flutes provided.ALAR
Flute Quantity:
1
MRC:
The number of steps provided.ATPC
Step Quantity:
6
MRC:
Indicates the type of drive shank.BPMX
Drive Shank Type:
Male straight hexagon
MRC:
The distance in depth the cutter penertrates per stepDPTS
Depth Penetration Per Step:
0.375 inches
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel, high speed
MRC:
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.SFTT
Surface Treatment:
Titanium nitride
MRC:
A recording of the physical,functional,and performance characteristics for an item of supply.TEXT
General Description:
Ehigh speed steel; titanium nitride coated; single bit; single flute; drills 6 holes size 3/16 to 1/2 in. Diameter in 1/16 in. Increments; self-starting; 1/4 in. Shank; 3/8 in. Depth penetration per step

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