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CHICAGO-LATROBE
Chicago-Latrobe 1/4", Cobalt Steel, Jobber Drill Bit, 4" Overall Length, Straw/Bronze Drill Bit Finish
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#914947-6 | Pkg Qty: 1
$7.30 pkg | $7.30 ea
Drop Ship Item
Shipping to 60045
Technical Specifications
Key Specifications
Brand
CHICAGO-LATROBE
Jobber Length Basic Material
Cobalt
Coolant Through
Non-Coolant Through
List Number
550
Cutting Direction
Right
Maximum Drilling Depth
1 in.
Decimal Equivalent
1/4
Meets/Exceeds
National Aerospace Standards (NAS) 907, Type J
Depth x Diameter Ratio
4xD
Mfr. Part Number
46616
Dimension Type
Fractional Inch
Number of Flutes
2
Drill Bit Dimension Type
Fractional Inch
Number of Pieces
1
Drill Bit Finish
Straw/Bronze
Overall Length
4 in.
Drill Bit Material
Cobalt Steel
Package 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
550
Drill Point Length
0.0518 in.
Shank Diameter
1/4 in.
Flute Length
2-3/4 in.
Shank Length
1-1/4 in.
Flute Type
Spiral
Shank Type
Straight
Grade
Heavy Duty
Shipping Weight
.03 lb.
Helix Angle
28
Spiral Direction
Right Hand
Item
Jobber Length Drill Bit
General
Aircraft Drill
Yes
Finish - Machining
Straw/Bronze
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
M, 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
National Aerospace 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 have a straw/bronze finish that improves their wear resistance, and they have spiral flutes that evacuate chips as the bits drill into a workpiece.
Expertly Selected Product Pairings
Documents
Item Barcode
Jobber Drill Bit,1/4 In.,
| Name | Item | Description | |
|---|---|---|---|
 | Grainger Dropship | 1G881 | Jobber Drill Bit,1/4 In., |
 | UNSPSC CODES | 23241605 | |
 | VMRS (ATA) CODES | 053-006-009 | Jobber Drill Bit,1/4 In., |
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