S-98070A840 M8 x 16 mm DIN 965 Sealing Stainless Steel Phillips Flat Head Screws

Sealing Stainless Steel Phillips Flat Head Screws

0304FA00158 Sealing Stainless Steel Phillips Flat Head Screws
0304FA00158 Sealing Stainless Steel Phillips Flat Head Screws

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

Part No.
Part No. 0304FA00158
Equivalent to mcmaster :
98070A840

Basic Information

Screw Features Sealing
System of Measurement Metric

Head Parameters

Head Type Flat
Head Diameter 14.5 mm
Head Height 2.9 mm
Flat Head Profile Undercut

Dimensions

Length 16 mm

Thread Parameters

Thread Type Metric
Thread Size M8
Thread Pitch 1.25 mm
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 6g
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Phillips
Drive Size No. 4
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 Silicone Rubber
O-Ring Temperature Range -80° to 400° F
REACH Compliant
RoHS Compliant
Specifications Met DIN 965

Installation & Application

For Maximum Hole Diameter 9.041 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: Integrated silicone rubber O-ring provides reliable leak prevention in high-pressure environments up to 6000 psi
  • Exceptional Corrosion Resistance: 18-8 stainless steel construction with passivated finish ensures long-term durability in harsh industrial conditions
  • Precision Thread Engagement: Class 6g thread fit with M8 x 1.25mm coarse pitch enables quick installation and secure fastening
  • Optimized Head Design: Undercut flat head profile with 90° countersink angle ensures flush mounting and improved load distribution
  • Wide Temperature Compatibility: Silicone O-ring maintains sealing integrity across extreme temperatures from -80° to 400° F
  • High Strength Reliability: 70,000 psi tensile strength ensures structural integrity in demanding applications
  • Streamlined Installation: Phillips No. 4 drive provides familiar, efficient driving with reduced cam-out risk

Professional Applications & Engineering Value

These M8 metric flat head screws with integrated silicone rubber O-rings solve critical sealing challenges in industrial equipment, hydraulic systems, and pressurized enclosures. The 18-8 stainless steel construction combined with passivated finish provides exceptional corrosion resistance for harsh environments, while the undercut flat head design ensures proper seating in DIN 965 standard countersunk holes. The Class 6g thread fit with coarse pitch threading enables rapid assembly without compromising sealing performance, making these fasteners ideal for maintenance applications where reliability and speed are paramount. The combination of high tensile strength and pressure-rated sealing capability makes these screws particularly valuable in fluid handling systems, industrial machinery, and outdoor equipment exposed to environmental elements.

Specification Summary & Compliance

These M8 x 1.25mm x 16mm flat head screws feature precision Class 6g thread fit according to metric standards with fully threaded design for maximum engagement. Manufactured to DIN 965 specifications with 90° countersink angle and 14.5mm head diameter. The fasteners are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors. Maximum hole diameter compatibility of 9.041mm ensures proper installation in standard applications.

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