Authorized NSI Industries Distributor
NSI Industries QCSH20 - Concrete Screw, Steel material, 1/4 in. Size, 1-3/4 in. length, 5/16 in. head width, Hex head, 2000 Hr Mechanical Zinc, Corrosion Resistant finish, CD5 drill stock number, Quadrive drive type, USA Made, 100 per pack
More images

NSI Industries QCSH20 Concrete Screw, Steel material, 1/4 in. Size, 1-3/4 in. length, 5/16 in. head width, Hex…

Alternate Item Number: 39149

UPC: 639720391497

Documents & Media
Specification Sheet

Contact for Pricing

Minimum Qty: 100

Multiplier: 100

*Contact for lower quantities*

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The NSI Industries QCSH20B is a Quadrive concrete screw engineered for secure fastening in concrete and masonry applications. Constructed from durable steel, this fastener is designed for robust performance. It features a Mechanical Zinc finish, providing an impressive 2000 hours of corrosion resistance, ensuring longevity even in demanding environments. This screw has a nominal diameter of 1/4 inch and a precise length of 1-3/4 inches, making it suitable for a variety of fastening needs. The head is a hex type, designed for reliable engagement with standard tools. The head width across flats measures between 0.307 and 0.312 inches, and the full head height ranges from 0.247 to 0.254 inches, contributing to its secure seating. The innovative Quadrive drive type is a key feature, engineered to ensure efficient torque transfer and significantly reduce cam-out during installation, leading to a smoother and more reliable fastening process. This screw is specifically designed for optimal performance when used with CD5 drill stock, a combination that maximizes efficiency and effectiveness. Proudly USA Made, the NSI Industries QCSH20B embodies quality and domestic manufacturing. Each convenient pack contains 100 screws, providing ample supply for your projects. Specifications: Material: Steel Finish: Mechanical Zinc (2000 Hr Corrosion Resistant) Drive Type: Quadrive Diameter: 1/4 in. Length: 1-3/4 in. Head Width (across flats): 0.307-0.312 in. Head Height: 0.247-0.254 in. Drill Stock Number: CD5 Pack Quantity: 100
  • Steel construction for durability
  • 2000 Hour Mechanical Zinc finish for corrosion resistance
  • 1/4 inch nominal diameter and 1-3/4 inch length
  • Hex head with 0.307-0.312 inch width across flats
  • Quadrive drive type for efficient installation

Specifications

Application
Electrical, Plumbing, Heating and Air Conditioning Industries
Head Type
Hexagon
Head Width
5/16 IN
Length
1-3/4 in
Material
Steel
Mounting Type
Hex head
Series
QCSH20
Size
1/4 IN
Special Features
Features: One Concrete Screw Masonry Drill Packaged With Each Hard Body Pac Square Jar
Type
Tapping Screw
Package Dimensions (L x W x H)
3 IN x 3 IN x 4.57 IN
Package Dimensions (L x W x H)
7.62 cm x 7.62 cm x 11.6078 cm
Package Weight (Imperial)
1.860 L
Package Weight (Metric)
0.844 kg
Concrete Screw, Steel material, 3/16 in. Size, 1-3/4 in. length, 1/4 in. head width, Hex head, 2000 Hr Mechanical Zinc, Corrosion Resistant finish, CD1 drill stock number, USA Made, Quadrive drive type, 100 per pack

QCSH2

Concrete Screw, Steel material, 3/16 in. Size, 1-3/4 in. length, 1/4 in. head width, Hex head, 2000 Hr Mechanical Zinc, Corrosion Resistant finish, CD1 drill stock number, USA Made, Quadrive drive type, 100 per pack
Concrete screws with a hex washer head and slotted drive. Made of steel with a blue anti-corrosion coating for extra corrosion protection. Size is 1/4 in. by 1-3/4 in., with a head width of 0.308 in. and head height of 0.187 in. Includes a 3/16 in. x 5-1/2 in. drill bit.

60328NDJ

Concrete screws with a hex washer head and slotted drive. Made of steel with a blue anti-corrosion coating for extra corrosion protection. Size is 1/4 in. by 1-3/4 in., with a head width of 0.308 in. and head height of 0.187 in. Includes a 3/16 in. x 5-1/2 in. drill bit.
Concrete Screw, Steel material, 3/16 in. Size, 1-3/4 in. length, 1/4 in. head width, Hex head, 2000 Hr Mechanical Zinc, Corrosion Resistant finish, Quadrive drive type, USA Made, 1000 per pack

QCSH2B

Concrete Screw, Steel material, 3/16 in. Size, 1-3/4 in. length, 1/4 in. head width, Hex head, 2000 Hr Mechanical Zinc, Corrosion Resistant finish, Quadrive drive type, USA Made, 1000 per pack
Concrete Screw, Steel material, 1/4 in. Size, 2-3/4 in. length, 5/16 in. head width, Hex head, 2000 Hr Mechanical Zinc, Corrosion Resistant finish, CD6 drill stock number, Quadrive drive type, USA Made, 100 per pack

QCSH40

Concrete Screw, Steel material, 1/4 in. Size, 2-3/4 in. length, 5/16 in. head width, Hex head, 2000 Hr Mechanical Zinc, Corrosion Resistant finish, CD6 drill stock number, Quadrive drive type, USA Made, 100 per pack
Concrete Screw, Steel material, 1/4 in. Size, 2-1/4 in. length, 5/16 in. head width, Hex head, 2000 Hr Mechanical Zinc, Corrosion Resistant finish, CD6 drill stock number, Quadrive drive type, USA Made, 100 per pack

QCSH30

Concrete Screw, Steel material, 1/4 in. Size, 2-1/4 in. length, 5/16 in. head width, Hex head, 2000 Hr Mechanical Zinc, Corrosion Resistant finish, CD6 drill stock number, Quadrive drive type, USA Made, 100 per pack
Concrete Screw, Steel material, 3/16 in. Size, 1-1/4 in. length, 1/4 in. head width, Hex head, 2000 Hr Mechanical Zinc, Corrosion Resistant finish, Quadrive drive type, USA Made, 1000 per pack

QCSH1B

Concrete Screw, Steel material, 3/16 in. Size, 1-1/4 in. length, 1/4 in. head width, Hex head, 2000 Hr Mechanical Zinc, Corrosion Resistant finish, Quadrive drive type, USA Made, 1000 per pack
Concrete Screw, 8 piece, including (1) 7/32 in. HSD Bit, (1) SDS 250 Bit 1/4 IN, (1) SL250 Sleeve, (1) HEX 250 Bit Receiver 1/4 IN, (1) SMDB2 Drive, (1) SMDB3 Drive, (1) 1/8 in. Allen Wrench, (1) 1/4 in. Concrete Bit

SCK1

Concrete Screw, 8 piece, including (1) 7/32 in. HSD Bit, (1) SDS 250 Bit 1/4 IN, (1) SL250 Sleeve, (1) HEX 250 Bit Receiver 1/4 IN, (1) SMDB2 Drive, (1) SMDB3 Drive, (1) 1/8 in. Allen Wrench, (1) 1/4 in. Concrete Bit
12 x 4 Hex Head Large Diameter Concrete Screw Galvanized

LCSX1240

12 x 4 Hex Head Large Diameter Concrete Screw Galvanized

Frequently Asked Questions

What are the available sizes for QCSH20 screws?

The QCSH20 screws are available in sizes 3/16 and 1/4 with lengths ranging from 1-1/4 to 2-3/4 inches.

What is the material of QCSH20 screws?

QCSH20 screws are made of steel with a mechanical zinc and corrosion-resistant coating.

What is the nominal diameter of QCSH20 screws?

The nominal diameters of QCSH20 screws are 3/16 inch and 1/4 inch.

What is the full head height of the screws?

The full head height for both sizes is between 0.140 and 0.145 inches for 3/16 inch screws, and between 0.247 and 0.254 inches for 1/4 inch screws.

What is the width across flats for QCSH20 screws?

The width across flats for 3/16 inch screws is between 0.244 and 0.250 inches, and for 1/4 inch screws, it is between 0.307 and 0.312 inches.

Frequently Asked Questions about NSI Industries

How are Tork products typically installed?

Tork products are typically installed by trained technicians who follow a comprehensive commissioning process. This includes verifying the work environment, conducting electrical installation checks, performing internal and external equipment inspections, powering on the system, and executing operational tests to ensure compatibility and reliability.

What environmental ratings do Tork products have?

Tork products are designed to meet various environmental ratings, including NEMA Type 4X and Type 6, which provide protection against corrosion, windblown dust, rain, and occasional temporary submersion. These ratings ensure that Tork products can withstand harsh industrial environments while maintaining operational integrity.

What communication protocols do Tork products support?

Tork products support a comprehensive range of communication protocols, including PROFIBUS DP V1, PROFINET with dual port, EtherNet/IP with dual port, CANopen, and Modbus RTU integrated as standard. These protocols facilitate flexible network integration and high-performance communication across various industrial automation systems.

What are the key features of Tork products?

Tork products are designed with advanced features that enhance efficiency and reliability in industrial applications. Key features include integrated harmonics and EMC design for improved power quality, removable terminals for quick installation, and USB ports for easy troubleshooting. Additionally, Tork solutions emphasize user-friendly setup with application wizards and memory modules for convenient parameter management.

What are the main product lines offered by Tork?

Tork offers a diverse range of products primarily focused on industrial automation, including TORK® Photocontrols, lighting controls, and various electrical components such as enclosures, occupancy sensors, and grounding solutions. These products are designed to enhance efficiency and reliability in commercial and industrial applications.

What technical support does Tork offer?

Tork offers a comprehensive range of technical support services, including 24/7 customer support, on-site service management, and a technical hotline network. With three advanced technical support centers and over 8,000 hours of technical training conducted annually, Tork ensures certified expertise across 25+ languages to assist customers effectively. Their commitment to service is reflected in a 98% Service Level Agreement compliance rate, providing reliable support for all operational needs.

What industries and applications are Tork products used for?

Tork products are utilized across a variety of industries, including food processing, healthcare, hospitality, and manufacturing. They are designed for applications such as hand hygiene, surface cleaning, and dispensing solutions, ensuring efficiency and compliance in environments that require high standards of cleanliness and safety.

What certifications and standards do Tork products comply with?

Tork products comply with UL and cUL certifications, ensuring they meet rigorous safety and performance standards. Additionally, many models are designed to meet NEMA enclosure ratings, providing protection against environmental factors.

How are Remke products typically installed?

Remke products are typically installed through a systematic process that includes site audits to verify proper wiring, followed by remote or on-site commissioning. This commissioning involves installation verification, programming, and communication testing to ensure the system operates reliably and meets design specifications.

What accessories are available for Remke products?

Remke offers a wide range of accessories for their products, including panel mounting kits, fuse holders for voltage inputs, ferrites for communication modules, and current transformers. These accessories enhance the functionality and protection of Remke's industrial automation solutions, ensuring reliable performance in various applications.