Authorized Minerallac Company Distributor
Minerallac Company 25049J - This is a machine screw with a truss head and square/slotted combo drive. It is made of steel with a zinc plated finish. The screw size is 1/4"-20 x 3", with a 2A external thread and 20 threads per inch. The head diameter is 0.560" and the head height is 0.142".
Minerallac Company

25049J

Alternate Item Number: 14205085

UPC: 085937048219


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Minimum Qty: 100

Multiplier: 100

*Contact for lower quantities*

Overview

Minerallac 25049J is a 1/4-20 x 3-inch zinc-plated machine screw with a truss head featuring a combination square/slotted drive. The low-profile head provides a wide bearing surface for better load distribution in metal-to-metal applications. The zinc plating ensures corrosion resistance in indoor and protected outdoor environments. Designed for machinery assembly, electrical panels, and light structural connections, this screw delivers a smooth finish and secure grip. Supplied in jar packaging for convenient handling. Compatible with standard 1/4-20 threaded holes.
  • 1/4-20 thread size with 3" length
  • Truss head with combination square/slotted drive
  • Zinc plating for corrosion resistance in indoor/protected outdoor use
  • Low-profile head for wide bearing surface and load distribution
  • Jar packaging for convenient handling and storage

Specifications

Application
Machine screws form a fastening that is superior in strength to spaced thread screws. For use with a pre-tapped hole or with a nut.
Drive Type
Square / Slotted Combo
Drive Type
Slotted;Square;Square / Slotted Combo
Finish
Zinc Plated
Head Color
Silver
Head Diameter
0.56 in
Head Diameter
14.224 mm
Head Height
0.142 in
Head Height
3.6068 mm
Head Type
Truss Head
Length
3 in
Length
76.2 mm
Material
Zinc
Material
Steel
Material
Zinc-Plated Steel
Phillips Driver Size
#3
Size
1/4"-20 x 3"
Size
1/4-20 x 3 inch
Size
1/4-20 x 3"
Thread per inch
20
Thread Type
2A External
Type
Machine Screw
Package Weight (Imperial)
3.5 lbs
Machine screw for use with a pre-tapped hole or with a nut. It is made of steel with a zinc plated finish and a silver head color. The screw is 1/4"-20 x 4" with a truss head and square/slotted combo drive.

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Machine screw for use with a pre-tapped hole or with a nut. It is made of steel with a zinc plated finish and a silver head color. The screw is 1/4"-20 x 4" with a truss head and square/slotted combo drive.
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Machine screws for use with a pre-tapped hole or with a nut. They are steel with a zinc plated finish and have a flat head with a square drive. The size is 1/4"-20 and the length is 3/4".

21012J

Machine screws for use with a pre-tapped hole or with a nut. They are steel with a zinc plated finish and have a flat head with a square drive. The size is 1/4"-20 and the length is 3/4".
Tamperproof machine screws with a flat head and Star Pin drive. They are made from 18-8 stainless steel with a stainless finish for general atmospheric corrosion resistance. The screw size is #6 x 1/2 in, with 2A external threads and a T-10H driver size.

20508XPJ

Tamperproof machine screws with a flat head and Star Pin drive. They are made from 18-8 stainless steel with a stainless finish for general atmospheric corrosion resistance. The screw size is #6 x 1/2 in, with 2A external threads and a T-10H driver size.
Tamperproof machine screws with a pan head and spanner drive. They are made of 18-8 stainless steel with a stainless finish and silver head color. The screws are size 8 x 1 in, with a length of 1.000 in, Type A thread type, 32 thread size, 0.314 in head width, 0.110 in head height, and #8 driver size.

22616TPJ

Tamperproof machine screws with a pan head and spanner drive. They are made of 18-8 stainless steel with a stainless finish and silver head color. The screws are size 8 x 1 in, with a length of 1.000 in, Type A thread type, 32 thread size, 0.314 in head width, 0.110 in head height, and #8 driver size.
Tamperproof machine screws with a pan head and spanner drive. They are made of 18-8 stainless steel with a stainless finish and silver head color. The screws are size 10 x 1 in, with a length of 1.000 in, Type A thread type, 32 thread size, 0.365 in head width, 0.128 in head height, and #10 driver size.

22816TPJ

Tamperproof machine screws with a pan head and spanner drive. They are made of 18-8 stainless steel with a stainless finish and silver head color. The screws are size 10 x 1 in, with a length of 1.000 in, Type A thread type, 32 thread size, 0.365 in head width, 0.128 in head height, and #10 driver size.

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.