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Minerallac Company 12840J - Wood screw with a flat head and square drive. It is made of steel with a zinc plated finish and is sized 8 x 2-1/2". The sheet lists a rolled thread, #2 driver size, silver head color, 0.10" head height, and 0.30" head diameter.
Minerallac Company

12840J

Alternate Item Number: 14191690

UPC: 085937047717


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Minimum Qty: 100

Multiplier: 100

*Contact for lower quantities*

Overview

Minerallac 8 x 2-1/2" FHWS SQ DR ZP Wood Screws (SKU: 12840J) are zinc-plated steel fasteners designed for wood-to-wood applications. The 8-gauge screws measure 2.5 inches in length, providing secure fastening for construction, carpentry, and DIY projects. The flat head ensures a flush finish, while the square drive design reduces cam-out and improves torque transfer during installation. Zinc plating offers corrosion resistance, extending service life in indoor and outdoor environments. These screws are manufactured in the US and packaged in jars of 100 with master cartons of 600.
  • 8-gauge, 2.5" length wood screws
  • Zinc-plated steel for corrosion resistance
  • Flat head for flush finish
  • Square drive reduces cam-out
  • Driver bit size: #2

Specifications

Application
Wood screws have large threads and a smooth shank for pulling and mating two pieces of material together.
Drive Type
Square Drive
Driver Size
#2
Finish
Zinc Plated
Head Color
Silver
Head Diameter
0.3 in
Head Diameter
7.62 mm
Head Height
0.1 in
Head Height
2.54 mm
Head Type
Flat Head
Length
2-1/2 in
Material
Steel
Size
8 x 2-1/2" IN
Thread Size
15 TPI
Thread Type
Rolled
Type
Wood Screw
Package Weight (Imperial)
1.18 lbs
Wood screws with large threads and a smooth shank for pulling and mating two pieces of material together. This item is made of steel with a zinc plated finish and has a flat head with square drive. The screw size is 8 x 3", with a 3" length, #2 driver size, 0.10" head height, and 0.30" head diameter.

12848

Wood screws with large threads and a smooth shank for pulling and mating two pieces of material together. This item is made of steel with a zinc plated finish and has a flat head with square drive. The screw size is 8 x 3", with a 3" length, #2 driver size, 0.10" head height, and 0.30" head diameter.
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JRDS5

#9 x 3 Bugle Head Square Drive Type 17 Point Deck Screw All Weather Coating Zinc u/m 100
Trim head wood screws made of steel with a black phosphate finish. They are size 6 x 2-1/4 in., with a coarse thread and square drive. The screws have a black trim head with a 0.245 in. head diameter and are intended for attaching base board or trim through one or two layers of drywall to 12 - 20 gauge metal studs.

13736J

Trim head wood screws made of steel with a black phosphate finish. They are size 6 x 2-1/4 in., with a coarse thread and square drive. The screws have a black trim head with a 0.245 in. head diameter and are intended for attaching base board or trim through one or two layers of drywall to 12 - 20 gauge metal studs.
Trim head wood screw made of stainless steel with a silver stainless steel finish. It is size 7 x 1-5/8 in and has a coarse thread with a square drive. The head is trim head style with a 0.245 in diameter and 0.142 in height.

72726J

Trim head wood screw made of stainless steel with a silver stainless steel finish. It is size 7 x 1-5/8 in and has a coarse thread with a square drive. The head is trim head style with a 0.245 in diameter and 0.142 in height.
Particle board screws made of steel with a black head finish. They are size 8 x 2-1/4 in and feature a deep thread design with a square drive. The sheet notes a flat head, #2 driver size, 0.10 in head height, and 0.30 in head diameter.

13836J

Particle board screws made of steel with a black head finish. They are size 8 x 2-1/4 in and feature a deep thread design with a square drive. The sheet notes a flat head, #2 driver size, 0.10 in head height, and 0.30 in head diameter.
These are 14 x 1 inch wood screws with a flat head and square drive. They have a zinc finish. The sheet identifies them as wood screws for general fastening applications.

13416J

These are 14 x 1 inch wood screws with a flat head and square drive. They have a zinc finish. The sheet identifies them as wood screws for general fastening applications.
A wood screw made of 18-8 stainless steel. It is sized 10-gauge by 3-inch and is listed for decking/fencing mounting type. The sheet provides the material and size only.

72948J

A wood screw made of 18-8 stainless steel. It is sized 10-gauge by 3-inch and is listed for decking/fencing mounting type. The sheet provides the material and size only.
This is a wood screw for pulling and mating two pieces of material together. It is made of steel with a zinc plated finish. The screw is size 8 x 1-1/4" and has deep thread, a flat head, and square drive.

13822J

This is a wood screw for pulling and mating two pieces of material together. It is made of steel with a zinc plated finish. The screw is size 8 x 1-1/4" and has deep thread, a flat head, and square drive.

Frequently Asked Questions

What is the driver bit size for these screws?

The driver bit size is #2.

How many screws are in a jar?

Each jar contains 100 screws.

What is the master carton quantity?

The master carton holds 600 screws.

What is the head style of these screws?

These screws have a flat head for a flush finish.

Are these screws suitable for outdoor use?

The zinc plating provides corrosion resistance, making them suitable for indoor and outdoor applications.

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.