Precision Twist Drill 5998020 R10B General Purpose Heavy Duty Jobber Length Drill Bit, 5/16 in Drill - Fraction, 0.3125 in Drill - Decimal Inch, 135 deg Point, HSS, Steam Tempered
Jobber Length Drill Bits
422280
MFG #: 5998020
Dormer Pramet
8.40000
/ ea
- Alternate Catalog Number: 010220
- Applicable Materials: Magnetic Soft Steel, Structural Steel/Case Carburizing Steel, Plain Carbon Steel, Alloy Steel/Hardened and Tempered Steel, Free Machining Stainless Steel, Austenitic, Ferritic + Austenitic, Martensitic and Graphite/Malleable Cast Iron
- Catalog Number: 5998020
- Color: Dark Gray
- Country of Origin: BR
- Cutting Depth: 4XD
- Cutting Direction: Right Hand
- Cutting Edge Material: HSS
- Drill Diameter Measurement System: Imperial
- Flute Length: 3-3/16 in
- Flute Type: Spiral
- Gross Weight Per Pack: 0.0700 lb
- Item Group: R10B
- Number of Flutes: 2
- Overall Length: 4-1/2 in
- Point Type: Self-Centering/Split
- Series: R10B
- Shank Size: 5/16 in
- Shank Type: Straight
- Standards: ANSI Specified, NAS 907 Type B
- Through Coolant [Yes|No]: No
- Type: General Purpose Heavy Duty
- UPC 11: 86071102201
- Stock Status: NONSTOCK
- Brand: Dormer Pramet
- Manufacturer: Dormer Pramet
- Finish: Steam Tempered
- Material: HSS
- Point Angle: 135 °
Right hand (clockwise rotation) cutting direction. 135 °s; split point suitable for drilling high tensile strength, low machinability, ferrous materials. Heavier web construction offers greater rigidity and strength to better resist any increased torque. Self-centering and reduces the thrust required in drilling tougher materials.
- Features
Features |
| Low thrust design self-centering split point for easier penetration |
| Steam oxide surface treatment for increased wear resistance and lubricity |
| Recommended for tougher ferrous materials |