Authorized Minerallac Company Distributor
Minerallac Company 22740 - Machine screw with a round head and square/slotted combo drive. It is made of steel with a zinc plated finish and silver head color. The screw is size 10-24, 2-1/2 in. long, with 2A external threads and a #2 driver size.
Minerallac Company

22740

Alternate Item Number: 12113423

UPC: 085937227409

Documents & Media
Specification SheetManufacturer Product Website

Contact for Pricing

Minimum Qty: 100

Multiplier: 100

*Contact for lower quantities*

Overview

Minerallac Company SKU 22740 offers 10-24 x 2-1/2 inch round head machine screws with a combined square and slotted drive, finished with zinc plating for corrosion resistance. Constructed from durable zinc-plated steel, these fasteners are suitable for a range of indoor and outdoor applications. The 2-1/2 inch length ensures secure fastening in materials such as wood, metal, or composites. The inclusion of a square drive recess significantly reduces cam-out, allowing for greater torque transfer compared to screws with only a slotted drive. These screws are designed to fit standard 10-24 threaded holes and #10 clearance holes, making them versatile for various assembly tasks. They are particularly well-suited for mounting electrical enclosures, machinery components, cabinetry, and general construction projects where a low-profile head is advantageous. The zinc plating adheres to ASTM B633 specifications, providing salt spray resistance that exceeds 96 hours in standard testing. Supplied in bulk packaging, these machine screws are an economical choice for industrial and OEM use. Manufactured in the USA.
  • 10-24 thread size x 2-1/2 inch length
  • Zinc-plated steel for corrosion resistance
  • Round head with combined square/slotted drive
  • Reduces cam-out and allows higher torque transfer
  • Suitable for indoor and outdoor applications

Specifications

Drive Type
Square/Slotted Combo
Driver Size
#2
Finish
Zinc Plated
Head Color
Silver
Head Diameter
0.359"
Head Height
0.137"
Head Type
Round Head
Length
2-1/2" IN
Material
Steel
Size
10-24
Special Features
For use with a pre-tapped hole or with a nut.
Thread Size
24 TPI
Thread Type
2A External Threads
Type
Machine Screw
Package Weight (Imperial)
1.77 lbs
Machine screws for use with a pre-tapped hole or with a nut. They are steel with a zinc plated finish and a round head. The screws are size 10-24 and are 3 inches long, with square/slotted combo drive and a silver head color.

22748J

Machine screws for use with a pre-tapped hole or with a nut. They are steel with a zinc plated finish and a round head. The screws are size 10-24 and are 3 inches long, with square/slotted combo drive and a silver head color.
1/4-20 x 2-1/2 Round Head Combo Drive Machine Screw Steel Zinc

JRM105

1/4-20 x 2-1/2 Round Head Combo Drive Machine Screw Steel Zinc
APO Tamper Proof Cover Screw Tool, Mill, Unpainted, Stainless Steel, 11810.025

11810.025

APO Tamper Proof Cover Screw Tool, Mill, Unpainted, Stainless Steel, 11810.025
25 PKG SCREWS & NYLON WASHER

SCREWM6-25

25 PKG SCREWS & NYLON WASHER
A machine screw with a straight shank and external threads for use with a pre-tapped hole or a nut. It is made of steel with a zinc plated finish. The screw is size 6-32 and 2 inches long, with a round head and square/slotted combo drive.

22532

A machine screw with a straight shank and external threads for use with a pre-tapped hole or a nut. It is made of steel with a zinc plated finish. The screw is size 6-32 and 2 inches long, with a round head and square/slotted combo drive.
Machine screws for use with a pre-tapped hole or with a nut. They are made of steel with a zinc plated finish and a silver flat head. The screws are 1/4"-20 size and 2-1/2" long, with a square drive and #3 driver size.

21040

Machine screws for use with a pre-tapped hole or with a nut. They are made of steel with a zinc plated finish and a silver flat head. The screws are 1/4"-20 size and 2-1/2" long, with a square drive and #3 driver size.
Machine screw for use with a pre-tapped hole or with a nut. It is made of steel with a zinc plated finish. The screw is 1/4"-20 size and 2-1/2" long, with a round head and square/slotted combo drive.

23040

Machine screw for use with a pre-tapped hole or with a nut. It is made of steel with a zinc plated finish. The screw is 1/4"-20 size and 2-1/2" long, with a round head and square/slotted combo drive.
A machine screw with external threads designed for use with a pre-tapped hole or with a nut. It is made of steel with a zinc plated finish. The screw is 3/4 inch long and sized 1/4-20, with a round head and square/slotted combo drive.

23012

A machine screw with external threads designed for use with a pre-tapped hole or with a nut. It is made of steel with a zinc plated finish. The screw is 3/4 inch long and sized 1/4-20, with a round head and square/slotted combo drive.

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.