sales@foscoconnect.com
(510) 319-9878
Silicon Valley, CA, USA
29-Piece Black Oxide Jobber-Length Drill Bit Set (1/16" to 1/2")
The 307F is a comprehensive 29-piece general-purpose drill bit set designed for reliable, high-performance drilling. Manufactured from high-speed steel (HSS) and coated with a protective black oxide finish, these jobber-length bits offer superior abrasion resistance, reduced friction, and extended tool life. The precision 118° point angle ensures accurate starts and efficient material removal across a variety of standard applications.
Key Features and Specifications
- Size Range: 1/16" to 1/2" (in 1/64" increments)
- Piece Count: 29 drill bits
- Point Angle: 118° for general-purpose use
- Material: High-Speed Steel (HSS)
- Finish: Abrasion-resistant black oxide
- Bit Length: Standard Jobber-length
- Storage: Includes a sturdy metal index case for secure organization and quick size identification
Frequently Asked Questions
What sizes are included in this 29-piece drill bit set?
This kit includes a complete range of fractional drill bit sizes starting from 1/16" up to 1/2", stepping up sequentially in 1/64" increments.
What is the advantage of the black oxide finish on these drill bits?
The black oxide coating provides increased abrasion resistance, reduces heat and friction during drilling, and offers mild corrosion resistance, extending the overall operational life of the tool compared to uncoated steel bits.