Authorized Minerallac Company Distributor
Minerallac Company 91920 - A high speed jobber drill with a 23/64" fractional size and 135° split point. It is made of steel with a black oxide finish. The drill has a 3-1/2" flute length, 4-7/8" overall length, and a 23/64" shank diameter for general purpose use.
Minerallac Company

91920

Alternate Item Number: 12116997

UPC: 085937919205


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Overview

The Minerallac 91920 is a 23/64" High-Speed Steel (HSS) Jobber Split Point Drill Bit featuring a 135° point angle, designed for precision drilling in metal applications. Manufactured in the USA by Minerallac Company, this drill bit is optimized for efficiency and durability. Key features include a split point geometry that enhances self-centering and reduces walking during drilling, while polished flutes ensure rapid chip evacuation for cleaner cuts and extended tool life. The 135° point angle provides superior performance in harder materials such as mild steel, stainless steel, and high-carbon steels compared to standard 118° drills. This drill bit is part of Minerallac's HSS Jobber Drill series, known for its reliability and precision. The HSS material maintains sharpness at high temperatures, making it suitable for demanding metalworking tasks. Each drill bit is designed for general-purpose metal drilling, offering consistent results in industrial, construction, and fabrication environments.
  • 23/64" diameter HSS Jobber Split Point Drill Bit
  • 135° point angle for superior performance in harder metals
  • Split point geometry reduces walking and enhances self-centering
  • Polished flutes for rapid chip evacuation and cleaner cuts
  • Made in USA by Minerallac Company for durability and precision

Specifications

Application
General Purpose
Drill Point
135°
Finish
Black Oxide
Flute Length
3-1/2" IN
Fractional Size
23/64" IN
Material
Steel
Number Of Pieces
1
Overall Length
4-7/8" IN
Point Type
Split Point
Series
High-speed jobber drill series
Shank Diameter
23/64" IN
Size
23/64"
Special Features
Features a polished flute for easy chip removal.
Type
Jobber Drill
Package Weight (Imperial)
0.534 lbs
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91918

A 21/64-inch high speed jobber drill with a 135° split point. It is made of steel with a black oxide finish. The drill has a 3-5/16-inch flute length and an overall length of 4-5/8 inches for general purpose use.
A 5/16" high speed jobber drill with a 135° split point. It is made of steel with a black oxide finish. The drill has a 3-3/16" flute length, 4-1/2" overall length, and a 5/16" shank diameter.

91917

A 5/16" high speed jobber drill with a 135° split point. It is made of steel with a black oxide finish. The drill has a 3-3/16" flute length, 4-1/2" overall length, and a 5/16" shank diameter.
A 25/64" high speed jobber drill with a 135° split point. It is made of steel with a black oxide finish. The drill has a 3-3/4" flute length and a 5-1/8" overall length for general purpose use.

91922

A 25/64" high speed jobber drill with a 135° split point. It is made of steel with a black oxide finish. The drill has a 3-3/4" flute length and a 5-1/8" overall length for general purpose use.
11/64 in. high speed jobber drill with a 135° split point. It is made of steel with a black oxide finish. The drill has a 2-1/8 in. flute length, 11/64 in. shank diameter, and 3-1/4 in. overall length for general purpose drilling.

91908

11/64 in. high speed jobber drill with a 135° split point. It is made of steel with a black oxide finish. The drill has a 2-1/8 in. flute length, 11/64 in. shank diameter, and 3-1/4 in. overall length for general purpose drilling.
A 1/2 inch high speed jobber drill with a 135° split point. It is made of steel with a black oxide finish. The drill has a 4-1/2 inch flute length, 6 inch overall length, and 1/2 inch shank diameter for general purpose use.

91929

A 1/2 inch high speed jobber drill with a 135° split point. It is made of steel with a black oxide finish. The drill has a 4-1/2 inch flute length, 6 inch overall length, and 1/2 inch shank diameter for general purpose use.
A 7/16 in. Trinado heavy-duty jobber length drill bit. It is made of high speed steel with a black oxide finish. The bit has a 135° point, split point drill point, a 4-1/16 in. flute length, a 5-1/2 in. overall length, and a 3/8 in. shank diameter.

92628

A 7/16 in. Trinado heavy-duty jobber length drill bit. It is made of high speed steel with a black oxide finish. The bit has a 135° point, split point drill point, a 4-1/16 in. flute length, a 5-1/2 in. overall length, and a 3/8 in. shank diameter.
Rotary only carbide drill bit for use in a portable rotary drill or drill press up to 1000 RPM. It has a steel body with a black oxide finish and gold head. The drill point is tungsten carbide, with a 5/16" drill point, 4" overall length, and 1/4" shank diameter.

59910

Rotary only carbide drill bit for use in a portable rotary drill or drill press up to 1000 RPM. It has a steel body with a black oxide finish and gold head. The drill point is tungsten carbide, with a 5/16" drill point, 4" overall length, and 1/4" shank diameter.
A rotary only carbide drill bit for masonry applications. It has a steel body with a black oxide finish and gold head, and a tungsten carbide point. The drill point is 3/8 in, the overall length is 4 in, and the shank diameter is 1/4 in.

59914

A rotary only carbide drill bit for masonry applications. It has a steel body with a black oxide finish and gold head, and a tungsten carbide point. The drill point is 3/8 in, the overall length is 4 in, and the shank diameter is 1/4 in.

Frequently Asked Questions about Minerallac Company

What are the main product lines offered by Minerallac Company?

Minerallac Company offers multiple comprehensive product lines including Minerallac Traditional (electrical fasteners), Strut Fittings, Stainless Steel Fasteners, Black Claw, Impact Staples, and Redmore. Their Traditional line features over a thousand electrical fastener variations covering conduit/cable/wire products, nail straps, beam clamps, metal stud & drywall accessories, acoustical supports, voice/data hardware, and miscellaneous electrical installation components.

What is Minerallac Company's warranty policy?

Minerallac Company provides a limited warranty that guarantees all products are free from defects in material and workmanship. If a product fails to meet this warranty, Minerallac's sole liability is to replace the product at no charge. The warranty is exclusive and does not cover consequential damages, lost profits, or implied warranties of merchantability or fitness for a particular purpose.

What industries and applications are Minerallac Company products used for?

Minerallac Company products are used extensively across electrical, construction, and industrial applications, including conduit and cable support, beam mounting, metal stud and drywall installation, voice/data infrastructure, and low voltage systems. Their product lines cover critical fastening solutions for electrical contractors, with specialized offerings in conduit hangers, straps, beam clamps, cable supports, and mounting hardware for various industrial environments.

What technical support does Minerallac Company offer?

Minerallac Company offers comprehensive technical support through multiple channels, including a toll-free customer service line at 800-927-3293, email support at [email protected], and online resources at www.minerallac.com. Their support covers product selection, technical specifications, and customer service for their extensive line of electrical fasteners, hangers, straps, and hardware across multiple product brands including Minerallac Traditional, Cully, Black Claw, IMPACT Staples, and Minerallac Stainless Steel. Support hours are 8:00 A.M. to 5:00 P.M. CT for their corporate office and 8:00 A.M. to 5:00 P.M. PT for their regional office.

What are the key features of Minerallac Company products?

Minerallac Company products feature a comprehensive range of electrical fasteners and hardware with exceptional versatility, including over 1,000 different sizes, styles, and finishes. Key features include multiple product lines such as Traditional, Strut Fittings, and Stainless Steel options with specialized finishes like 304/316 Stainless Steel, Hot-Dipped Galvanized, and Zinc Electroplate. Their products are engineered for electrical contractors, offering time-saving solutions with high-quality fasteners designed for durability, corrosion resistance, and worker safety across various installation environments.

What environmental ratings do Minerallac Company products have?

Minerallac Company products have robust environmental ratings, including UL 508A Type 1, 2, 3, 4, 4X, 12, and 13 certifications, CSA Type 1-4X, 12, and 13 ratings, and IEC 60529 IP66 protection. The products are WEEE and RoHS compliant, with UV and oil resistance, and can operate in extreme temperatures ranging from -55°C to 105°C, making them suitable for harsh industrial environments.

What accessories are available for Minerallac Company products?

Minerallac Company offers a comprehensive range of accessories across multiple product categories, including hardware, fasteners, and mounting solutions. Key accessories include stove bolts with nuts, wing nut washers, bar joist washers, stud clip adapters, brackets, perforated strapping, cable support options like J-hooks and bridle rings, box mounting brackets, outlet retainers, and various stud and drywall supports. Their accessories are available in multiple finishes such as stainless steel, hot-dipped galvanized, zinc electroplate, and powder-coated options.

How are Minerallac Company products typically installed?

Minerallac Company products are typically installed using a variety of specialized fastening solutions, including conduit hangers, straps, beam clamps, and mounting brackets designed for different electrical and construction applications. Installation methods vary by product type, with options for metal studs, drywall, beams, acoustical surfaces, and low voltage systems. The company offers multiple installation styles such as one-hole and two-hole straps, universal beam clamps, and specific mounting hardware to ensure secure and efficient attachment across diverse electrical and construction environments.

What communication protocols do Minerallac Company products support?

Minerallac Company's Brad product line supports multiple industrial communication protocols, including Ethernet, DeviceNet, PROFIBUS, Modbus, CANopen, Serial, AS-interface, and CC-Link. Their comprehensive portfolio covers over 40 industrial protocols, providing flexible communication solutions for various industrial automation applications from PC-based control to PLC systems.