S-91800A610 M2.5 x 6 mm DIN 84, ISO 1207 Stainless Steel Cheese Head Slotted Screws

Stainless Steel Cheese Head Slotted Screws

0129FA00121 Stainless Steel Cheese Head Slotted Screws
0129FA00121 Stainless Steel Cheese Head Slotted Screws

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Part No.
Part No. 0129FA00121
Equivalent to mcmaster :
91800A610

Basic Information

System of Measurement Metric

Head Parameters

Head Type Rounded
Head Diameter 4.5 mm
Head Height 1.6 mm
Rounded Head Profile Narrow
Rounded Head Style Cheese

Dimensions

Length 6 mm

Thread Parameters

Thread Type Metric
Thread Size M2.5
Thread Pitch 0.45 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 construction and passivated finish, ideal for harsh environments.
  • Reliable mechanical performance with Rockwell B70 hardness and 70,000 psi tensile strength for durable, long-lasting fastening.
  • Precise and secure thread engagement thanks to the Class 6g thread fit and coarse pitch (0.45mm), ensuring vibration resistance.
  • Efficient installation and removal with a standard slotted drive and flat tip design compatible with common tools.
  • Compact, low-profile design featuring a narrow rounded (cheese) head for use in space-constrained applications.
  • Full thread coverage along the 6mm length provides maximum grip and uniform clamping force.
  • Global compliance and safety by meeting DIN 84/ISO 1207 standards and being RoHS 3 & REACH compliant.

Professional Applications & Engineering Value

This M2.5 stainless steel rounded head screw is engineered to address common industrial challenges such as component loosening under vibration and corrosion in demanding settings. The 18-8 stainless steel material combined with a passivated finish offers excellent resistance to oxidation and chemical exposure, making it suitable for electronics, machinery, and automotive assemblies. Its coarse metric thread and Class 6g fit ensure quick, reliable installation and stable performance in high-stress applications. The slotted drive and narrow cheese head profile allow for easy access in tight spaces, reducing assembly time and improving maintenance efficiency in precision engineering projects.

Specification Summary & Compliance

This screw adheres to precise dimensional standards with a Class 6g thread fit and coarse thread pitch of 0.45mm, conforming to DIN 84 and ISO 1207 specifications. It is fully threaded with a right-hand thread direction and flat tip for consistent performance. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) ensures it meets environmental and safety regulations for industrial use.

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