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Minerallac Company 91924 - A 27/64" high speed jobber drill with a 135° split point. It is made of steel with a black oxide finish. The drill has a 3-15/16" flute length and a 5-3/8" overall length for general purpose drilling.
Minerallac Company

91924

Alternate Item Number: 12117001

UPC: 085937919243


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Overview

Minerallac 91924 is a 27/64" High-Speed Steel (HSS) Jobber Drill Bit, made in the USA. It features a 135° split point angle for self-centering starts, eliminating the need for pilot holes. The polished flutes ensure efficient chip evacuation, ideal for drilling clean holes in mild steel and stainless steel. Designed for industrial fabrication and maintenance tasks requiring precise hole creation. Part of Minerallac's jobber drill series with 135° point geometry.
  • 27/64" diameter HSS jobber drill bit
  • 135° split point for self-centering starts
  • Polished flutes for efficient chip evacuation
  • Made in the USA by Minerallac Company
  • Designed for drilling in mild and stainless steel

Specifications

Application
General Purpose
Drill Point
135°
Finish
Black Oxide
Flute Length
3-15/16" IN
Fractional Size
27/64" IN
Material
Steel
Material
High Speed Steel
Material
High-Speed Steel (HSS)
Number Of Pieces
1
Overall Length
5-3/8" IN
Point Type
Split Point
Shank Diameter
27/64" IN
Size
27/64"
Size
27/64 inch
Special Features
Features a polished flute for easy chip removal.
Type
Jobber Drill
Package Weight (Imperial)
0.756 lbs
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91922D

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 an overall length of 5-1/8". It is intended for general purpose use.
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.

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.
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.

Frequently Asked Questions

What materials is this drill bit suitable for?

This drill bit is designed for drilling in mild steel and stainless steel.

What is the point angle of this drill bit?

The drill bit features a 135° split point angle for self-centering starts.

Is this drill bit made in the USA?

Yes, this drill bit is manufactured by Minerallac Company in the USA.

What does the split point design do?

The split point design eliminates the need for pilot holes by providing self-centering starts.

What is the shank type of this drill bit?

This drill bit has a straight shank, as indicated in the Minerallac catalog.

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.

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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.

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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.

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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.

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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.

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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.