NSI Industries JSRM90 - Machine Screw, Stainless Steel material, 1/4-20 in. Size, 1-1/2 in. length, Round head, Slotted drive type, 100 per pack, 18-8 grade
NSI Industries

JSRM90

Alternate Item Number: 80103

UPC: 639720801033

Documents & Media
Specification Sheet

Contact for Pricing

Minimum Qty: 100

Multiplier: 100

*Contact for lower quantities*

Overview

The NSi Industries JSRM90 Stainless Steel Machine Screw is a precision-engineered fastener designed for industrial applications requiring corrosion resistance and reliable mechanical fastening. This 1/4-20 x 1-1/2 inch screw features a round head with a slotted drive, ensuring easy installation and removal using standard tools. Constructed from 18-8 grade stainless steel, it provides exceptional resistance to corrosion, rust, and oxidation, making it ideal for use in harsh environments such as marine, automotive, and structural applications. Key specifications include a unified thread size of 1/4-20, a length of 1.5 inches, and a round head design optimized for surface contact and distribution of clamping force. The slotted drive type allows for straightforward torque application with a flathead screwdriver, reducing the risk of cam-out and ensuring consistent fastening. Packaged in quantities of 100, the JSRM90 is optimized for bulk procurement in manufacturing, maintenance, and repair operations where high-volume, reliable fasteners are required. Applications include securing components in machinery, equipment assemblies, metal fabrication, and general industrial construction. The 18-8 stainless steel composition ensures compatibility with a wide range of materials, including aluminum, steel, and plastics, without risk of galvanic corrosion. This screw meets rigorous industry standards for mechanical strength and dimensional accuracy, providing a dependable solution for critical fastening needs. NSi Industries, a trusted manufacturer based in the US, produces the JSRM90 to exacting tolerances, ensuring consistent thread engagement and maximum holding power. Whether used in original equipment manufacturing or field repairs, this machine screw delivers predictable performance and long-term reliability in demanding operational conditions.
  • Material: 18-8 grade stainless steel for superior corrosion resistance
  • Thread size: 1/4-20 UNC for compatibility with standard tapped holes
  • Length: 1-1/2 inches for secure fastening in thick materials
  • Head type: Round head with slotted drive for easy installation
  • Pack quantity: 100 screws per pack for bulk procurement

Specifications

Application
Electrical, Plumbing, Heating and Air Conditioning Industries
Drive Type
Slotted
Head Type
Round
Length
1-1/2 in
Material
Stainless Steel
Series
JSRM
Size
1/4-20 IN
Type
Machine Screw
Package Dimensions (L x W x H)
3 IN x 3 IN x 3.6 IN
Package Dimensions (L x W x H)
7.62 cm x 7.62 cm x 9.144 cm
Package Weight (Imperial)
2.070 L
Package Weight (Metric)
0.939 kg
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Frequently Asked Questions

What screw head style is covered?

The document covers round head machine screws.

What screw series does this sheet cover?

This specification sheet applies to RM, JRM, SRM, and RSB round head machine screws. It excludes JRMB and JRMN.

Which materials are included in this specification?

The sheet applies to steel, stainless steel, brass, and silicone bronze screws.

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