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Minerallac Company 86511 - Pilot drill with a 1/4 in fractional size and 4.312 in overall length. It is made of steel with a hardened steel finish. The drill has a split point and a 0.250 in shank diameter.
Minerallac Company

86511

Alternate Item Number: 12116504

UPC: 085937865113

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Overview

The Minerallac Company 1/4" x 4-1/2" Pilot Drill Bit (SKU: 86511) is a precision steel drill bit specifically engineered for creating pilot holes in thin-gauge metal applications. This self-drilling bit features a 1/4" diameter and a 4-1/2" length, a combination optimized for producing clean, accurate holes without the requirement of pre-punching. This design significantly enhances efficiency for professionals such as contractors, electricians, and metal fabricators by eliminating the need for separate punching tools, thereby streamlining the setup process and conserving valuable time, particularly during repetitive drilling tasks. The Minerallac 86511 is designed for compatibility with standard drill drivers, making it a versatile and effective tool for applications involving metal studs, switch boxes, junction boxes, and lighting fixtures. Manufactured in the USA by Minerallac Company, this durable pilot drill bit is built to deliver reliable performance for demanding professional use.
  • 1/4" diameter and 4-1/2" length for precise pilot holes
  • Self-drilling design eliminates pre-punching
  • Durable steel construction for longevity
  • Ideal for metal studs, junction boxes, and lighting fixtures
  • Manufactured in the USA by Minerallac Company

Specifications

Finish
Hardened Steel
Fractional Size
1/4" IN
Material
Steel
Overall Length
4.312" IN
Point Type
Split Point
Shank Diameter
0.250" IN
Type
Arbor Pilot Drill
Pilot drill with a 1/4 in fractional size and 3.062 in overall length. Made of steel with a hardened steel finish and a split point. It is an arbor pilot drill with a 0.250 in shank diameter.

86514

Pilot drill with a 1/4 in fractional size and 3.062 in overall length. Made of steel with a hardened steel finish and a split point. It is an arbor pilot drill with a 0.250 in shank diameter.
11/32" high speed jobber drill bit with a 118° point. It is made of steel with a two-tone finish and a polished flute for easy chip removal. The drill has a 3-7/16" flute length, 4-3/4" overall length, and 11/32" shank diameter. It is intended for general purpose use.

91619

11/32" high speed jobber drill bit with a 118° point. It is made of steel with a two-tone finish and a polished flute for easy chip removal. The drill has a 3-7/16" flute length, 4-3/4" overall length, and 11/32" shank diameter. It is intended for general purpose use.
High speed steel jobber drill bit with a 25/64" fractional size and a 118° standard point. It has a two-tone finish and a polished flute for easy chip removal. The drill has a 3-3/4" flute length and 5-1/8" overall length for general-purpose drilling.

91622

High speed steel jobber drill bit with a 25/64" fractional size and a 118° standard point. It has a two-tone finish and a polished flute for easy chip removal. The drill has a 3-3/4" flute length and 5-1/8" overall length for general-purpose drilling.
This is an HSS jobber length drill bit with a 9/64" fractional size and straight shank. It has a 135° split point and black oxide finish. The bit is made of high speed steel and is described as heavy-duty construction.

33309

This is an HSS jobber length drill bit with a 9/64" fractional size and straight shank. It has a 135° split point and black oxide finish. The bit is made of high speed steel and is described as heavy-duty construction.
A 7/32" high speed jobber drill bit with a 118° point. It is made of steel with a bright finish and a straight shank. The drill has a 2-1/2" flute length and an overall length of 3-3/4". It is intended for general purpose use and works great in wood, aluminum, and mild steel.

91611

A 7/32" high speed jobber drill bit with a 118° point. It is made of steel with a bright finish and a straight shank. The drill has a 2-1/2" flute length and an overall length of 3-3/4". It is intended for general purpose use and works great in wood, aluminum, and mild steel.
This is an HSS jobber length drill bit with a 15/64" fractional size. It is made of high speed steel with a black oxide finish and a 135° split point. The drill bit has a 2-1/2" flute length, 3-3/4" overall length, and a 7/32" shank diameter.

33315

This is an HSS jobber length drill bit with a 15/64" fractional size. It is made of high speed steel with a black oxide finish and a 135° split point. The drill bit has a 2-1/2" flute length, 3-3/4" overall length, and a 7/32" shank diameter.
This is a 3/8 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 3-5/8 in flute length and 5 in overall length for general purpose drilling.

91621

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

91604

A 7/64 in high speed steel jobber drill bit with a 118° point. It has a polished/two-tone finish and a straight shank. The drill has an overall length of 2-5/8 in and a flute length of 1-1/2 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.