S-91800A240 M4 x 50 mm DIN 84, ISO 1207 Stainless Steel Cheese Head Slotted Screws

Stainless Steel Cheese Head Slotted Screws

0129FA00078 Stainless Steel Cheese Head Slotted Screws
0129FA00078 Stainless Steel Cheese Head Slotted Screws

Image may differ from product. See technical specification for details.

Part No.
Part No. 0129FA00078
Equivalent to mcmaster :
91800A240

Basic Information

System of Measurement Metric

Head Parameters

Head Type Rounded
Head Diameter 7 mm
Head Height 2.6 mm
Rounded Head Profile Narrow
Rounded Head Style Cheese

Dimensions

Length 50 mm

Thread Parameters

Thread Type Metric
Thread Size M4
Thread Pitch 0.7 mm
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 6g
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Flat
Drive Style Slotted

Material & Strength

Material 18-8 Stainless Steel
Finish Passivated
Hardness Rockwell B70
Tensile Strength 70000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met DIN 84, ISO 1207
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Superior corrosion resistance with 18-8 stainless steel and passivated finish, ideal for harsh industrial environments.
  • High mechanical strength offering 70,000 psi tensile strength and Rockwell B70 hardness for reliable, long-lasting fastening.
  • Easy installation and removal thanks to the slotted drive style and fully threaded M4 x 0.7mm coarse pitch design.
  • Precise thread fit with Class 6g tolerance ensuring secure, vibration-resistant connections in metric assemblies.
  • Durable, low-profile design featuring a rounded cheese head that reduces snagging and provides a neat finish.
  • Full regulatory compliance meeting DIN 84/ISO 1207 standards, RoHS 3, and REACH for safe, global use.
  • Versatile flat tip enabling flush mounting and consistent performance across various materials.

Professional Applications & Engineering Value

This M4 slotted cheese head screw is engineered from 18-8 stainless steel with a passivated finish to combat corrosion in demanding settings like machinery, electronics, and outdoor equipment. The fully threaded coarse pitch (0.7mm) and Class 6g thread fit ensure quick assembly and high resistance to loosening under vibration, reducing maintenance needs. Its rounded head profile minimizes protrusion, making it suitable for applications where space and safety are concerns. With a tensile strength of 70,000 psi, it provides dependable performance in structural and industrial fastening, aligning with DIN 84/ISO 1207 specifications for consistent quality.

Specification Summary & Compliance

This screw adheres to metric threading standards with M4 x 0.7mm coarse pitch and Class 6g thread fit for precise dimensional accuracy. It complies with DIN 84 and ISO 1207 manufacturing specifications, ensuring uniformity in production. The product is fully RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, supporting environmental and safety regulations in industrial and commercial use.

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