Triumph® 011331 BP1B Jobber Length Drill, 31/64 in Drill - Fraction, 0.4844 in Drill - Decimal Inch, 118 deg Point, HSS, Black Oxide
Triumph® 011331 BP1B Jobber Length Drill, 31/64 in Drill - Fraction, 0.4844 in Drill - Decimal Inch, 118 deg Point, HSS, Black Oxide
Triumph® Jobber Length Drill, Series: BP1B, Imperial, 31/64 in Drill - Fraction, 0.4844 in Drill - Decimal Inch, 5-7/8 in Overall Length, 4-3/8 in Cutting Depth, 4-3/8 in Flute Length, 118 deg Point, Conventional Point, HSS Cutting Edge, HSS, Black Oxide, Applicable Materials: Aluminum, Cast Iron, Low and Medium Carbon, Mild Steel, Steel, Stainless Steel and PH Steel
Features
- Acceptable drill life
- Not self-centering, walking can occur on hard surfaces
- May produce burs on breakthrough
- Black oxide is the most basic surface treatment recommended for drilling in iron and steel
- It is not recommended for drilling in aluminum, magnesium or similar materials
- Increased tempering and stress relieving
- Reduced galling and chip welding
- Increased retention of lubricants
Specifications
Triumph® Jobber Length Drill, Series: BP1B, Imperial, 31/64 in Drill - Fraction, 0.4844 in Drill - Decimal Inch, 5-7/8 in Overall Length, 4-3/8 in Cutting Depth, 4-3/8 in Flute Length, 118 deg Point, Conventional Point, HSS Cutting Edge, HSS, Black Oxide, Applicable Materials: Aluminum, Cast Iron, Low and Medium Carbon, Mild Steel, Steel, Stainless Steel and PH Steel
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