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Minerallac Company 86722 - This is a step drill with a 2-flute split tip design. It is made of high speed steel and is intended for drilling or enlarging holes in steel, copper, brass, aluminum, Plexiglass, sheet metal, PVC, and plasterboard. The drill has a minimum diameter of 3/4 inch and a maximum diameter of 1-3/8 inch.
Minerallac Company

86722

Alternate Item Number: 12116510

UPC: 085937867223


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Overview

The Minerallac Company 86722 High Speed Steel (HSS) Step Drill is designed for efficient and precise hole creation across a 3/4" to 1-3/8" diameter range. This tool features 11 distinct steps, each incrementing by 1/16", providing versatility for various hole sizing requirements. Constructed from durable HSS, it ensures longevity and consistent cutting performance. The innovative 2-flute split tip design facilitates self-drilling capabilities, eliminating the need for pre-punching and significantly reducing installation time. It is capable of drilling through 10-gauge mild steel or stainless steel, making it suitable for demanding applications in electrical and construction trades. The 3/8" shank is engineered with three flats for a non-slip grip, ensuring secure chuck engagement and enhanced control during operation. Ideal for use in metal studs, switch boxes, junction boxes, lighting installations, and fixture mounting. SKU: 86722. Made in USA.
  • Hole size range: 3/4" to 1-3/8"
  • Material: High Speed Steel (HSS)
  • 11 steps with 1/16" increments
  • 2-flute split tip for self-drilling
  • 3/8" shank with three flats for non-slip grip

Specifications

Application
aluminum;brass;copper;hole enlarging;plasterboard;Plexiglass;PVC;sheet metal;Steel
Drill Diameter, Maximum
1-3/8 in
Drill Diameter, Minimum
3/4 in
Exchanging Centering Tip
No
Material
High Speed Steel
Maximum Drill Diameter
1-3/8"
Minimum Drill Diameter
3/4"
Number of Blades
1
Size
3/4" to 1-3/8"
Special Features
Reduce secondary operations with trailing flute that automatically deburs holes.
Spiral Groove
True
Spiral Groove
Yes
Type
Step Drill
This is a step drill with a 2-flute split tip design. It is made of high speed steel and is intended for enlarging holes in materials including steel, copper, brass, aluminum, Plexiglass, sheet metal, PVC, and plasterboard. The drill covers a diameter range from 3/16" to 7/8" and has 11 drill stages.

86714

This is a step drill with a 2-flute split tip design. It is made of high speed steel and is intended for enlarging holes in materials including steel, copper, brass, aluminum, Plexiglass, sheet metal, PVC, and plasterboard. The drill covers a diameter range from 3/16" to 7/8" and has 11 drill stages.
Step Drill, Carbon Steel M2 High Multi Step (12) 7/16" thru 1-1/8"

SD12716118

Step Drill, Carbon Steel M2 High Multi Step (12) 7/16" thru 1-1/8"
This is a step drill with a 2-flute split tip design. It is made of high speed steel and is used for enlarging holes in steel, copper, brass, aluminum, Plexiglass, sheet metal, PVC, and plasterboard. The drill has a minimum diameter of 1/4 inch and a maximum diameter of 1-1/2 inch. It includes a spiral groove and a trailing flute that automatically deburs holes.

86724

This is a step drill with a 2-flute split tip design. It is made of high speed steel and is used for enlarging holes in steel, copper, brass, aluminum, Plexiglass, sheet metal, PVC, and plasterboard. The drill has a minimum diameter of 1/4 inch and a maximum diameter of 1-1/2 inch. It includes a spiral groove and a trailing flute that automatically deburs holes.
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SD12

Multi Step Drill, 13 drill stages, 1/8 in. minimum drill diameter, 1/8 in. maximum sheet metal thickness, 1/2 in. maximum drill diameter, 1 per pack
Multi Step Drill, 9 drill stages, 1/4 in. minimum drill diameter, 1/8 in. maximum sheet metal thickness, 3/4 in. maximum drill diameter, 1 per pack

SD34

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SD78

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Multi Step Drill, 1/2, 3/4, 1-1/8 in. maximum drill diameter, 1/8, 1/4, 7/8 in. minimum drill diameter, 13, 9, 3 number of drill stages, 1 per pack

SDCP3

Multi Step Drill, 1/2, 3/4, 1-1/8 in. maximum drill diameter, 1/8, 1/4, 7/8 in. minimum drill diameter, 13, 9, 3 number of drill stages, 1 per pack
Step Drill, Carbon Steel M2 High Multi Step (2) 7/8" thru 1-1/8"

SD278118

Step Drill, Carbon Steel M2 High Multi Step (2) 7/8" thru 1-1/8"

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.