NSI Industries SRM136 - Round Head Slotted Machine Screw, Stainless Steel material, 1/4-20 in. Size, 6 in. length, 100 per pack, 18-8 grade
NSI Industries

SRM136

Alternate Item Number: 12020

UPC: 639720120202

Documents & Media
Specification Sheet

Contact for Pricing

Minimum Qty: 100

Multiplier: 100

*Contact for lower quantities*

Overview

NSI Industries SRM136 Round Head Slotted Machine Screw is a precision-engineered stainless steel fastener designed for industrial applications requiring corrosion resistance and reliable fastening. Manufactured from 18-8 grade stainless steel, this screw combines durability with consistent performance in demanding environments. The 1/4-20 thread specification ensures compatibility with standard 1/4" threaded holes, while the 6-inch length provides ample reach for secure fastening in thick materials or assemblies. Key specifications include a slotted drive for manual or tool-assisted installation, a round head profile for countersunk applications, and a 100-piece bulk packaging for high-volume procurement needs. The 18-8 stainless steel composition delivers superior resistance to corrosion, oxidation, and chemical exposure, making it ideal for use in marine, aerospace, automotive, and industrial equipment manufacturing. This machine screw is engineered for applications where precision and reliability are critical, such as machinery assembly, structural connections, and equipment mounting. The slotted head design allows for easy alignment and adjustment during installation, while the stainless steel construction ensures long-term performance without degradation from environmental factors. Compatible with standard 1/4-20 tapped holes, the SRM136 is a versatile fastener for both commercial and industrial settings. Backed by NSI Industries' commitment to quality and consistency, the SRM136 is a cost-effective solution for projects requiring bulk stainless steel fasteners with verified specifications. The 100-piece pack size optimizes inventory management for production lines and maintenance operations, reducing procurement frequency while maintaining supply reliability.
  • Material: 18-8 Stainless Steel for superior corrosion resistance
  • Thread Size: 1/4-20 for compatibility with standard tapped holes
  • Length: 6 inches for secure fastening in thick materials
  • Drive Type: Slotted head for manual or tool-assisted installation
  • Packaging: 100 pieces per pack for bulk procurement efficiency

Specifications

Application
Electrical, Plumbing, Heating and Air Conditioning Industries
Drive Type
Slotted
Head Type
Round
Length
6 IN
Material
Stainless Steel
Size
1/4-20 IN
Type
Round Head Slotted Machine Screw
Package Dimensions (L x W x H)
4.5 IN x 4.5 IN x 7.25 IN
Package Dimensions (L x W x H)
11.43 cm x 11.43 cm x 18.415 cm
Package Weight (Imperial)
6.860 L
Package Weight (Metric)
3.112 kg
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21012TP

A machine screw with a flat head and spanner drive, designed for use with a pre-tapped hole or with a nut. It is made of stainless steel with a stainless finish. The screw size is 1/4-20 and the length is 3/4 inch.
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Frequently Asked Questions

What screw series does this specification sheet cover?

It applies to round head machine screws in the RM, JRM, SRM, and RSB series. JRMB and JRMN are excluded.

Which materials are included in this sheet?

The sheet covers steel, stainless steel, brass, and silicone bronze round head machine screws.

Are JRMB and JRMN screws included?

No. The specification sheet explicitly excludes JRMB and JRMN screws.

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