S-98070A440 10-24 x 3/4" Sealing Stainless Steel Phillips Flat Head Screws

Sealing Stainless Steel Phillips Flat Head Screws

0304FA00125 Sealing Stainless Steel Phillips Flat Head Screws
0304FA00125 Sealing Stainless Steel Phillips Flat Head Screws

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

Part No.
Part No. 0304FA00125
Equivalent to mcmaster :
98070A440

Basic Information

Screw Features Sealing
System of Measurement Inch

Head Parameters

Head Type Flat
Head Diameter 0.385"
Head Height 0.053"
Flat Head Profile Standard

Dimensions

Length 3/4"

Thread Parameters

Thread Type UNC
Thread Size 10-24
Thread Diameter 0.19"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 2A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Phillips
Drive Size No. 2
Countersink Angle 100°

Material & Strength

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

Temperature & Environment

Maximum Pressure 20000 psi
O-Ring Material Silicone Rubber
O-Ring Temperature Range -150° to 500° F
REACH Compliant
RoHS Compliant

Installation & Application

For Maximum Hole Diameter 0.204"
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Reliable sealing performance with silicone rubber O-ring that withstands extreme temperatures from -150°F to 500°F
  • Exceptional pressure resistance up to 20,000 psi for demanding industrial applications
  • Corrosion-resistant construction using 18-8 stainless steel with passivated finish for extended service life
  • Easy installation and removal with Phillips No. 2 drive and standard flat head profile
  • Precise thread engagement through UNC coarse threading with Class 2A fit for secure fastening
  • Full regulatory compliance meeting RoHS 3 and REACH standards for global industrial use
  • Optimized countersink design with 100° angle for flush mounting in various applications

Professional Applications & Engineering Value

This 10-24 flat head Phillips screw with integrated silicone rubber O-ring delivers critical sealing solutions for industrial equipment exposed to extreme conditions. The 18-8 stainless steel construction combined with passivated finish provides superior corrosion resistance in harsh environments, while the UNC coarse threading ensures rapid installation and reliable performance. Engineered to maintain integrity under pressures up to 20,000 psi and temperatures ranging from -150°F to 500°F, these sealing screws are ideal for hydraulic systems, pneumatic equipment, and industrial machinery where fluid containment is essential. The flat head design with 100° countersink angle allows for flush mounting while the Class 2A thread fit guarantees precise engagement in standard 0.204" maximum hole diameters.

Specification Summary & Compliance

This 3/4" flat head screw features UNC coarse threading with Class 2A thread fit for precise dimensional accuracy and reliable fastening performance. Manufactured from 18-8 stainless steel with passivated finish and equipped with silicone rubber O-ring sealing technology. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial applications worldwide.

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