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Minerallac Company 91945 - 13-piece metal index set of jobber drills ranging from 1/16" through 1/4" by 64ths. The drills are made of steel with a black oxide finish and a split point with a 135° drill point. Intended for general-purpose use.
Minerallac Company

91945

Alternate Item Number: 12117110

UPC: 085937919458


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Overview

The Minerallac 91945 is a 13-piece High Speed Jobber Drill Index Set featuring M7 industrial steel construction for high-temperature resistance and sustained sharpness. These drills are designed with a 135° split point, ideal for drilling into stainless steel and high-carbon steels. The black and bronze oxide surface treatments minimize friction during operation. All drill bits in this set have straight shanks for compatibility with standard drill chucks. This set covers a size range from 1/16" to 1/2" in 64th increments. Manufactured by Minerallac Company in the USA.
  • 13-piece High Speed Jobber Drill Index Set
  • Constructed from M7 industrial steel for durability and sharpness
  • 135° split point for efficient drilling in tough materials
  • Black and bronze oxide surface treatments reduce friction
  • Includes sizes from 1/16" to 1/2" in 64th increments
  • Straight shank for compatibility with standard drill chucks
  • Manufactured in the USA by Minerallac Company

Specifications

Application
General-Purpose
Drill Point
135°
Finish
Black Oxide
Fractional Size
1/16" - 1/4" IN
Material
Steel
Material
M7 industrial steel
Number Of Pieces
13
Point Type
Split Point
Series
Triumph Split Point
Size
1/16-1/4 x 64ths
Size
1/16" to 1/4" in 64th increments
Special Features
13 pc. Metal Index Set, from 1/16" thru 1/4" by 64ths.
Type
Jobber Drill
A 7/32-inch high speed jobber drill with a 135° split point for general purpose drilling. It is made of steel with a black oxide finish. The drill has a 2-1/2-inch flute length, 7/32-inch shank diameter, and 3-3/4-inch overall length.

91911

A 7/32-inch high speed jobber drill with a 135° split point for general purpose drilling. It is made of steel with a black oxide finish. The drill has a 2-1/2-inch flute length, 7/32-inch shank diameter, and 3-3/4-inch overall length.
This is a 11/64" high speed jobber drill with a 135° point. It is made of steel with a black oxide finish. The drill has a split point, 2-1/8" flute length, 11/64" shank diameter, and 3-1/4" overall length.

91908D

This is a 11/64" high speed jobber drill with a 135° point. It is made of steel with a black oxide finish. The drill has a split point, 2-1/8" flute length, 11/64" shank diameter, and 3-1/4" overall length.
This is a 7/16 in high speed jobber drill bit with a 118° point. It is made of steel with a two-tone finish and a straight shank. The drill has a 4-1/16 in flute length and an overall length of 5-1/2 in for general-purpose drilling.

91625D

This is a 7/16 in high speed jobber drill bit with a 118° point. It is made of steel with a two-tone finish and a straight shank. The drill has a 4-1/16 in flute length and an overall length of 5-1/2 in for general-purpose drilling.
A 13/64" high speed jobber drill with a 135° split point. It is made of steel with a black oxide finish. The drill has a 2-7/16" flute length and an overall length of 3-5/8" for general purpose drilling.

91910D

A 13/64" high speed jobber drill with a 135° split point. It is made of steel with a black oxide finish. The drill has a 2-7/16" flute length and an overall length of 3-5/8" for general purpose drilling.
This is a 3/32 in high speed jobber drill bit with a 118° point. It is made of steel with a two-tone finish and a standard point type. The drill has a 1-1/4 in flute length, 2-1/4 in overall length, and a 3/32 in shank diameter.

91603D

This is a 3/32 in high speed jobber drill bit with a 118° point. It is made of steel with a two-tone finish and a standard point type. The drill has a 1-1/4 in flute length, 2-1/4 in overall length, and a 3/32 in shank diameter.
A 5/64" high speed jobber drill with a 135° split point. It is made of steel with a black oxide finish and a polished flute for easy chip removal. The drill has a 1" flute length, 2" overall length, and a 5/64" shank diameter.

91902D

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

91921D

This is a 3/8 inch high speed jobber drill with a 135° point. It is made of steel with a black oxide finish and a split point. The drill has a 3-5/8 inch flute length, 5 inch overall length, and a 3/8 inch shank diameter. It is intended for general purpose use.
This is a heavy duty letter drill in size F, made from high speed steel with a black oxide finish. It has a 135° split point, a 2.875" flute length, and an overall length of 4.125". The shank diameter is 0.257", and it is listed for use in steel, mild stainless, and cast iron.

9170F

This is a heavy duty letter drill in size F, made from high speed steel with a black oxide finish. It has a 135° split point, a 2.875" flute length, and an overall length of 4.125". The shank diameter is 0.257", and it is listed for use in steel, mild stainless, and cast iron.

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.

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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.

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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.

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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 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.