Authorized NSI Industries Distributor
NSI Industries JRM78 - 3/8-16 x 1-1/2 Round Head Combo Drive Machine Screw Steel Zinc
NSI Industries

JRM78

Alternate Item Number: 80069

UPC: 639720800692


Documents & Media
Specification Sheet

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Minimum Qty: 100

Multiplier: 100

*Contact for lower quantities*

Overview

The NSi Industries JRM78 3/8-16 x 1-1/2 Round Head Combo Drive Machine Screw is a precision-engineered fastening solution for industrial machinery and equipment. Manufactured in the USA from durable steel with a zinc plating, this machine screw provides enhanced corrosion resistance and reliable performance in demanding applications. The round head and combo drive (Phillips/slotted) design ensure secure installation with standard or combo drive tools, reducing installation time and improving efficiency. Ideal for applications requiring precise alignment and strong mechanical connections, such as metal fabrication, equipment assembly, and structural mounting. This screw meets industry standards for strength and reliability, making it a trusted choice for engineers and maintenance professionals. The zinc plating offers excellent protection against rust and wear, extending the lifespan of critical connections in harsh environments. Compatible with standard 3/8-16 threaded holes and designed for use with 1/2" drive tools.
  • Material: Steel with zinc plating for corrosion resistance
  • Thread size: 3/8-16, Length: 1-1/2"
  • Head style: Round head with combo drive (Phillips/slotted)
  • Manufactured in the USA for precision and reliability
  • Ideal for industrial machinery, metal fabrication, and equipment assembly

Specifications

Application
Electrical, Plumbing, Heating and Air Conditioning Industries
Drive Type
Slotted/Phillips
Drive Type
Phillips;Slotted
Finish
Zink Chromate
Head Type
Round
Length
1-1/2 in
Material
Steel
Series
JRM78
Size
3/8-16 IN
Special Features
Features: Two Drives in One Head
Type
Combo Machine Screw
Package Dimensions (L x W x H)
3.5 IN x 3.5 IN x 5.75 IN
Package Dimensions (L x W x H)
8.89 cm x 8.89 cm x 14.605 cm
Package Weight (Imperial)
5.000 L
Package Weight (Metric)
2.268 kg
Tri-Drive Machine Screw, Steel material, 1/4-20 in. Size, 1-1/2 in. length, Round head, Zinc Chromate finish, Slotted/Phillips/Square drive type, 100 per pack, including a(n) Square Drive Bit

JTRM103

Tri-Drive Machine Screw, Steel material, 1/4-20 in. Size, 1-1/2 in. length, Round head, Zinc Chromate finish, Slotted/Phillips/Square drive type, 100 per pack, including a(n) Square Drive Bit
Machine screws sized 8-32 x 1-1/2 in. The sheet identifies them as flat head, Phillips drive, with a zinc plated finish. They are supplied in a jar.

50325BFG

Machine screws sized 8-32 x 1-1/2 in. The sheet identifies them as flat head, Phillips drive, with a zinc plated finish. They are supplied in a jar.
Machine Screw, Brass material, #8-32 Size, 1/2 in. length, Round head, Slotted drive type, 100 per pack

JRMB83

Machine Screw, Brass material, #8-32 Size, 1/2 in. length, Round head, Slotted drive type, 100 per pack
Machine Screw, Brass material, #8-32 Size, 3/4 in. length, Round head, Slotted drive type, 100 per pack

JRMB85

Machine Screw, Brass material, #8-32 Size, 3/4 in. length, Round head, Slotted drive type, 100 per pack
6-32 x 2-1/2 Round Head Combo Drive Machine Screw Steel Zinc

JRM140

6-32 x 2-1/2 Round Head Combo Drive Machine Screw Steel Zinc
Machine Screw, Brass material, #8-32 Size, 2 in. length, Round head, Slotted drive type, 100 per pack

JRMB91

Machine Screw, Brass material, #8-32 Size, 2 in. length, Round head, Slotted drive type, 100 per pack
Machine Screw, Stainless Steel material, #10-24 Size, 3/4 in. length, Round head, Slotted drive type, 100 per pack, 18-8 grade

JSRM22

Machine Screw, Stainless Steel material, #10-24 Size, 3/4 in. length, Round head, Slotted drive type, 100 per pack, 18-8 grade
Machine Screw, Brass material, #10-32 Size, 1/2 in. length, Round head, Slotted drive type, 100 per pack

JRMB95

Machine Screw, Brass material, #10-32 Size, 1/2 in. length, Round head, Slotted drive type, 100 per pack

Frequently Asked Questions

What screw series does this specification sheet cover?

This sheet applies to Round Head Machine Screws in the RM, JRM, SRM, and RSB series. It excludes JRMB and JRMN.

Which materials are included in this sheet?

The specification sheet applies to steel, stainless steel, brass, and silicone bronze round head machine screws.

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