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Overview
- 1/4 inch diameter, 4 inch length
- Carbide construction for durability
- Straight shank design for standard chucks
- Designed for rotary-only applications
- Suitable for tile, brick, block, and cement
Specifications
Drill Point | 1/4 in |
Finish | Black Oxide;Gold Head |
Finish | Black Oxide, Gold Head |
Material | Carbide |
Material | Steel |
Number Of Pieces | 1 |
Overall Length | 4 in |
Overall Length | 101.6 mm |
Point Type | Tungsten Carbide |
Shank Diameter | 1/4 IN |
Size | 1/4" x 4" |
Special Features | Fits any portable rotary drill or drill press—up to 1000 RPM |
Type | Rotary Only Carbide Drill Bit |

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.
45432
7-piece jobber drill set with a 135° split point and hex shank. Made of steel with a black oxide finish for general purpose use. Fractional sizes included are 1/16", 3/32", 1/8", 5/32", 3/16", 7/32", and 1/4". Overall length is 1-7/8" and flute length is 7/8".
91725
This is a #25 high speed jobber drill bit with a 118° point. It is made of steel with a bright finish and has a standard point type. The drill has an overall length of 3 inches, a flute length of 1-7/8 inches, and a shank diameter of 0.1495 inch.
91729
A high speed steel jobber drill bit with a 118° standard point for general-purpose drilling. It has a bright finish and a polished flute for easier chip removal. The drill is #29 wire gauge size with a 0.136" decimal size, 3" overall length, and 1-7/8" flute 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.
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.
59904
A rotary-only carbide masonry drill bit with a straight shank. It is made of steel with a black oxide finish and gold head. The drill point is tungsten carbide, with a 3/16 in drill point, 4 in overall length, and 3/16 in shank diameter.
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.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.