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Drill America
1/2" HSS Heavy Duty Split Point Stub Drill Bit
Mfr # D/AST1/2
Zoro # G1951865
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Key Features
- Size 1/2 in
- Finish Black Oxide
- Overall Length 3-3/4 in
- Material High Speed Steel
- Flute Length 2-1/4 in
Product Information
- Brand Drill America
- MFR # D/AST1/2
- Zoro # G1951865
- UPC # 887861010696
- Country of Origin United States
- Category Spiral Flute Drill Bits
Dimensions
Size | 1/2 in |
Overall Length | 3-3/4 in |
Flute Length | 2-1/4 in |
Details
Finish | Black Oxide |
Material | High Speed Steel |
Shank Type | Round |
Number of Flutes | 2 |
Point Type | Split Point |
Cutting Angle | 135 Degrees |
Cutting Direction | Right Hand |
Style | Screw Machine/Stub |
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.
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