Authorized NSI Industries Distributor
NSI Industries TRMK1420 - Machine Screw Kit, 124 piece(s), Round head, Phillips/Slotted/Square drive type, including a(n) (12) 1/4-20 in. x 1- 1/2 in. Round Head Tri-Drive Screw - Zinc, (12) 1/4-20 in. x 2 in. Round Head Tri-Drive Screw - Zinc and (35) 1/4-20 in. x 1/2 in. Round Head Tri-Drive Screw - Zinc, (30) 1/4-20 in. x 3/4 in. Round Head Tri-Drive Screw - Zinc and #3 Square Power Bit 2 in. Long and (20) 1/4-20 in. x 1 in. Round Head Tri-Drive Screw - Zinc, (15) 1/4-20 in. x 1 1/4 in. Round Head Tri-Drive Screw - Zinc
NSI Industries

TRMK1420

Alternate Item Number: 76880

UPC: 639720768800

Documents & Media
Specification Sheet

Contact for Pricing

Overview

The NSI Industries TRMK1420 is a comprehensive 124-piece machine screw kit designed for a variety of industrial and mechanical applications. This kit features zinc-plated round head machine screws with a versatile Tri-Drive head, accommodating Phillips, Slotted, and Square drive bits for maximum flexibility during installation and maintenance. The primary material is zinc, offering good corrosion resistance for general-purpose use. This kit specifically includes a range of 1/4-20 thread size screws, ensuring compatibility with a wide array of standard fasteners and components. The assortment covers essential lengths to suit diverse project needs: * (12) 1/4-20 x 1-1/2 inch Round Head Tri-Drive Screws - Zinc * (12) 1/4-20 x 2 inch Round Head Tri-Drive Screws - Zinc * (35) 1/4-20 x 1/2 inch Round Head Tri-Drive Screws - Zinc * (30) 1/4-20 x 3/4 inch Round Head Tri-Drive Screws - Zinc * (20) 1/4-20 x 1 inch Round Head Tri-Drive Screws - Zinc * (15) 1/4-20 x 1-1/4 inch Round Head Tri-Drive Screws - Zinc In addition to the screws, the TRMK1420 kit includes a #3 Square Power Bit, 2 inches long, to facilitate efficient driving of the Tri-Drive heads. The zinc coating provides a standard level of protection against rust and corrosion, making these screws suitable for indoor environments and applications where extreme moisture or corrosive agents are not a primary concern. The round head design offers a clean, finished look and provides a good bearing surface. This kit is ideal for maintenance, repair, and operations (MRO) in manufacturing facilities, electrical installations, and general assembly where 1/4-20 fasteners are commonly used. The Tri-Drive head design simplifies tool selection and reduces the need for multiple specialized drivers, streamlining workflows and minimizing on-site tool clutter. NSI Industries is known for providing reliable fastening solutions, and the TRMK1420 exemplifies this commitment to practical and efficient product offerings. SKU: TRMK1420. UNSPSC Code: 31162814.
  • 124-piece assortment of 1/4-20 round head machine screws
  • Zinc-plated for corrosion resistance
  • Tri-Drive head accepts Phillips, Slotted, and Square bits
  • Includes a #3 Square Power Bit (2" long)
  • Variety of screw lengths from 1/2" to 2"

Specifications

Application
Electrical, Plumbing, Heating and Air Conditioning Industries
Consist Of 1
(35) 1/4-20 IN x 1/2 IN Round Head Tri-Drive Screw - Zinc, (30) 1/4-20 IN x 3/4 IN Round Head Tri-Drive Screw - Zinc
Consist Of 2
(20) 1/4-20 IN x 1 IN Round Head Tri-Drive Screw - Zinc, (15) 1/4-20 IN x 1 1/4 IN Round Head Tri-Drive Screw - Zinc
Consist Of 3
(12) 1/4-20 IN x 1- 1/2 IN Round Head Tri-Drive Screw - Zinc, (12) 1/4-20 IN x 2 IN Round Head Tri-Drive Screw - Zinc
Consist Of 4
#3 Square Power Bit 2 IN Long
Number Of Pieces
124
Type
Machine Screw Kit
Package Dimensions (L x W x H)
8.58 IN x 3.85 IN x 1.41 IN
Package Dimensions (L x W x H)
21.7932 cm x 9.779 cm x 3.5814 cm
Package Weight (Imperial)
2.080 L
Package Weight (Metric)
0.943 kg
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A tamperproof machine screw with a button head and socket pin drive. It is made of 18-8 stainless steel with a stainless finish for general atmospheric corrosion resistance. The screw is size #6 x 1/4 in. with 2A external threads and 32 TPI.

22504SP

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Machine Screw

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APO Tamper Proof Cover Screw, Smooth Matte, Black, Stainless Steel, 10000.139

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JSRM22P

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8-32 x 2-1/2 Round Hd Phillips Machine Screw 18-8 SS

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Pan Head Phillips Machine Screw, Steel material, #6-32 Size, 1-1/4 in. length, Zinc finish, 100 per pack

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Frequently Asked Questions

What materials are available for these machine screws?

The round head machine screws are available in Steel, Stainless Steel, Brass, and Silicone Bronze.

Which screw series are covered by this specification?

This specification sheet applies to RM, JRM (excluding JRMB and JRMN), SRM, and RSB series of round head machine screws.

What materials are available for these machine screws?

The round head machine screws are available in Steel, Stainless Steel, Brass, and Silicone Bronze.

Which screw series are covered by this specification?

This specification sheet applies to RM, JRM (excluding JRMB and JRMN), SRM, and RSB series of round head machine screws.

What materials are available for these machine screws?

The round head machine screws are available in Steel, Stainless Steel, Brass, and Silicone Bronze.

Which screw series are covered by this specification?

This specification sheet applies to RM, JRM (excluding JRMB and JRMN), SRM, and RSB series of round head machine screws.

What materials are available for these machine screws?

The round head machine screws are available in Steel, Stainless Steel, Brass, and Silicone Bronze.

Which screw series are covered by this specification?

This specification sheet applies to RM, JRM (excluding JRMB and JRMN), SRM, and RSB series of round head machine screws.

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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.

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