S-98070A935 M5 x 20 mm DIN 965 Sealing Stainless Steel Phillips Flat Head Screws

Sealing Stainless Steel Phillips Flat Head Screws

0304FA00191 Sealing Stainless Steel Phillips Flat Head Screws
0304FA00191 Sealing Stainless Steel Phillips Flat Head Screws

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

Part No.
Part No. 0304FA00191
Equivalent to mcmaster :
98070A935

Basic Information

Screw Features Sealing
System of Measurement Metric

Head Parameters

Head Type Flat
Head Diameter 9.2 mm
Head Height 1.35 mm
Flat Head Profile Undercut

Dimensions

Length 20 mm

Thread Parameters

Thread Type Metric
Thread Size M5
Thread Pitch 0.8 mm
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 6g
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Phillips
Drive Size No. 2
Countersink Angle 90°

Material & Strength

Material 18-8 Stainless Steel
Finish Passivated
Hardness Not Rated
Tensile Strength 70000 psi

Temperature & Environment

Maximum Pressure 6000 psi
O-Ring Material Viton® Fluoroelastomer Rubber
O-Ring Temperature Range -20° to 400° F
REACH Compliant
RoHS Compliant
Specifications Met DIN 965

Installation & Application

For Maximum Hole Diameter 5.562 mm
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Superior sealing performance with Viton® fluoroelastomer O-ring that withstands extreme pressures up to 6000 psi and temperatures from -20° to 400° F
  • Excellent corrosion resistance thanks to 18-8 stainless steel construction and passivated finish for long-term reliability in harsh environments
  • Precise thread engagement with Class 6g thread fit and coarse pitch (0.8mm) ensuring secure fastening and vibration resistance
  • Optimized head design featuring undercut flat head profile for flush mounting and improved sealing surface contact
  • Industry-standard compatibility meeting DIN 965 specifications for reliable performance in metric applications
  • Enhanced drive efficiency with Phillips No. 2 drive providing secure tool engagement and consistent torque application
  • Environmental compliance with RoHS 3 and REACH regulations for safe use across various industrial sectors

Professional Applications & Engineering Value

This M5 flat head screw delivers exceptional engineering value in applications requiring reliable sealing under demanding conditions. The combination of 18-8 stainless steel material and passivated finish provides superior corrosion resistance for outdoor equipment, marine applications, and chemical processing environments. The Viton® fluoroelastomer O-ring creates an effective seal that maintains integrity across a wide temperature range (-20° to 400° F), making these sealing screws ideal for hydraulic systems, pneumatic equipment, and fluid handling applications where pressure containment up to 6000 psi is critical. The undercut flat head profile ensures proper seating in countersunk holes while maximizing the sealing surface area. Engineered to DIN 965 standards with Class 6g thread fit, these metric screws provide precise dimensional accuracy for consistent performance in automotive, manufacturing, and industrial assembly operations.

Specification Summary & Compliance

This M5 x 0.8mm x 20mm flat head screw features Class 6g thread tolerance with coarse thread spacing and right-hand threading. Manufactured to DIN 965 specifications with 90° countersink angle and 9.2mm head diameter. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial applications. The fully threaded design provides maximum engagement strength with tensile capability of 70,000 psi.

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