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CHICAGO-LATROBE
1/4", Cobalt Steel, Jobber Drill Bit, 4" Overall Length, TiN Drill Bit Finish
#918530-7 | Pkg Qty: 1
$12.89 pkg | $12.89 ea
Drop Ship Item
Shipping to 60045
Technical Specifications
Key Specifications
Brand
CHICAGO-LATROBE
Helix Angle
28
Coolant Through
Non-Coolant Through
Item
Jobber Length Drill Bit
Cutting Direction
Right
Jobber Length Basic Material
Cobalt
Cutting Direction
Right Hand
List Number
2550
Decimal Equivalent
1/4
Maximum Drilling Depth
1 in.
Depth x Diameter Ratio
4xD
Mfr. Part Number
54058
Dimension Type
Fractional Inch
Number of Flutes
2
Drill Bit Dimension Type
Fractional Inch
Number of Pieces
1
Drill Bit Finish
TiN
Overall Length
4 in.
Drill Bit Material
Cobalt Steel
Pack Quantity
1
Drill Bit Point Angle
135 deg.
Point Angle
135 deg.
Drill Bit Size
1/4 in.
Point Type
Split Point
Drill Letter Size
E
Series
55TN
Drill Point Length
0.0518 in.
Shank Diameter
1/4 in.
Finish
TiN Coated
Shank Length
1-1/4 in.
Flute Length
2-3/4 in.
Shank Type
Straight
Flute Type
Spiral
Shipping Weight
0.04 lb.
Grade
Heavy Duty
Spiral Direction
Right Hand
General
Aircraft Drill
Yes
Finish - Machining
TiN
Application
For Alloy, Stainless And Tool Steels And Titanium
Material - Machining
Cobalt
Coolant Fed
Non-Coolant Through
Material Grade - Machining
M42
Depth:Dia. Ratio
4xD
Measurement System
Fractional Inch
Drill Bit Grouping
Individual
Primary Material Application ISO Code
P, S
Drill Bit Point Type
Split Point
Shank Dia.
1/4 in
Drill Diameter Tolerance
+0.0000 in /-0.0007 in
Shank Type - Machining
Straight
Drill Length Class
Jobber Length
Standards
NAS 907 Type J
Product Description
These drill bits meet National Aerospace Specification (NAS) 907 Type J for drill bits used in aircraft repair and production. They have a TiN coating that protects them from wear and heat when drilling steel, stainless steel, and aluminum. They also have spiral flutes that evacuate chips as the bits drill into a workpiece.
Expertly Selected Product Pairings
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Item Barcode
Jobber Bit,E,Cobalt Steel
Name | Item | Description | |
---|---|---|---|
Grainger Dropship | 2VRX8 | Jobber Bit,E, Cobalt Steel | |
UNSPSC CODES | 23241634 | ||
VMRS (ATA) CODES | 053-006-009 | Jobber Bit,E, Cobalt Steel |
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