No 57 HSS Left Hand Split Point Stub Drill Bit, DWDSTLH Series
Mfr # DWDSTLH57
Zoro # G1940805
product price: $2.65
/eaSold in multiples of 12 for $31.80
Key Features
Overall Length
1-3/8 in
Material
High Speed Steel
Finish
Black Oxide
Point Style
Split Point
Shank Type
Round
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Product Information
MFR #
DWDSTLH57
Zoro #
G1940805
UPC #
887861032407
Country of Origin
China
Dimensions
Size
#57
Overall Length
1-3/8 in
Flute Length
1/2 in
Details
Material
High Speed Steel
Finish
Black Oxide
Point Style
Split Point
Shank Type
Round
Point Angle
135
Cutting Direction
Left Hand
Number of Flutes
2
Description
Screw machine drills (also know as stub or stubby drills) are manufactured to National Aerospace Standard 907. The 135 degree split point is self-centering and reduces thrust. Ideal for portable or machine drilling. Short, rugged construction performs well in a broad range of materials. Screw machine drills are popular in the automotive and construction industries. They are often used in screw machine setup where spindle clearance is limited. Sizes smaller than 1/16 and #52 have the 118 degree standard point. Left hand jobber drill bits are for general purpose construction. They feature a left hand helix for screw machine applications where spindles rotate counter-clockwise. Left hand drills can also be used to drill out broken bolts.
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