Authorized Minerallac Company Distributor
Minerallac Company 51816 - This is a brass machine screw with a round head and slotted drive. It is sized 1/4-20 x 1 in and has 2A external threads with 20 threads per inch. The head diameter is 0.443 in and the head height is 0.163 in.
Minerallac Company

51816

Alternate Item Number: 12114154

UPC: 085937518163


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Multiplier: 50

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Overview

The Minerallac Company SKU 51816 is a 1/4-20 x 1 inch Round Head Machine Screw with a slotted drive, constructed from durable brass. This fastener is designed for applications requiring corrosion resistance and a non-magnetic material. The 1/4-20 thread size indicates 20 threads per inch, suitable for general-purpose fastening in pre-tapped holes or with nuts. The 1-inch length provides ample grip for joining materials. The round head offers a clean aesthetic and can be driven with a flat-bladed screwdriver. Brass construction ensures excellent resistance to tarnishing and corrosion, making it ideal for environments where moisture or chemicals are present, such as marine applications, electrical components, or decorative fixtures. Minerallac is a trusted manufacturer known for producing reliable fasteners.
  • 1/4-20 thread size for general-purpose fastening
  • 1-inch length for ample grip
  • Slotted drive for use with a flat-bladed screwdriver
  • Durable brass construction for excellent corrosion resistance
  • Non-magnetic material suitable for sensitive applications
  • Head Style: Round Head
  • Thread Size: 1/4-20 (20 threads per inch)
  • Corrosion and tarnish resistant
  • Non-magnetic material

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.
Color
Brass
Drive Type
Slotted Drive
Head Color
Copper
Head Diameter
0.443" IN
Head Height
0.163" IN
Head Type
Round Head
Length
1.000" IN
Material
Brass
Mounting Type
Round Head Machine Screw
Size
1/4-20 x 1"
Size
1/4-20 x 1" IN
Thread Per Inch
20 TPI
Thread Type
2A External
Type
Machine Screw
Package Weight (Imperial)
1.54 lbs
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50548

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52032

This is 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 size is 6-32 x 2 in and it has a truss head with a Phillips/slotted combo drive.
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52020

This is a machine screw with a 6-32 thread size and 1-1/4 inch length. It is made of steel with a zinc plated finish and has a truss head. The screw uses a Phillips/slotted combo drive and is intended for use with a pre-tapped hole or a nut.
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52048

A machine screw with external threads designed for use in a pre-tapped hole or with a nut. It is made of steel with a zinc plated finish. The screw is 6-32 x 3 in with a truss head and Phillips/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.