S-93310A816 M6 x 20 mm MIL-DTL-18240 Thread-Locking Stainless Steel Button Head Hex-Drive Screws

Thread-Locking Stainless Steel Button Head Hex-Drive Screws

0199FA00017 Thread-Locking Stainless Steel Button Head Hex-Drive Screws
0199FA00017 Thread-Locking Stainless Steel Button Head Hex-Drive Screws

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

Part No.
Part No. 0199FA00017
Equivalent to mcmaster :
93310A816

Basic Information

System of Measurement Metric

Head Parameters

Head Type Rounded
Head Diameter 10.5 mm
Head Height 3.3 mm
Rounded Head Profile Standard
Rounded Head Style Button

Dimensions

Length 20 mm

Thread Parameters

Thread Type Metric
Thread Size M6
Thread Pitch 1 mm
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 6g
Threading Fully Threaded
Locking Type Thread Locker
Thread Locker Type Nylon Patch
Thread Locker Temperature Range -70° to 250° F

Tip & Drive Parameters

Drive Style Hex
Drive Size 4 mm

Material & Strength

Material 18-8 Stainless Steel
Hardness Rockwell B96
Tensile Strength 80000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met MIL-DTL-18240
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Vibration-resistant locking with permanent nylon patch ensures reliable fastening in high-stress environments, eliminating the need for secondary locking components.
  • Exceptional corrosion resistance from 18-8 stainless steel construction maintains integrity in harsh or humid industrial settings.
  • High tensile strength of 80,000 psi provides dependable load-bearing capacity for critical assembly applications.
  • Wide temperature tolerance (-70° to 250°F) allows consistent performance across diverse operating conditions.
  • Secure hex drive engagement with 4mm drive prevents cam-out and enables efficient installation with standard tools.
  • Precision Class 6g thread fit ensures smooth assembly and reliable engagement with mating components.
  • Low-profile rounded button head offers clean aesthetics while reducing snag hazards in confined spaces.

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these M6 metric screws with nylon patch locking technology solve critical vibration-induced loosening problems in machinery, automotive assemblies, and electronic enclosures. The 18-8 stainless steel construction provides inherent corrosion resistance, making them ideal for outdoor equipment, marine components, and food processing facilities where moisture exposure is common. The combination of coarse threading and Class 6g thread fit ensures rapid installation and reliable performance in various materials, while the fully threaded design maximizes grip length and clamping force. These rounded head screws with hex drive deliver both mechanical reliability and installation efficiency for maintenance and production lines.

Specification Summary & Compliance

This M6 x 1 mm pitch x 20 mm length screw features Class 6g thread tolerance with right-hand coarse threading and meets manufacturing specifications per MIL-DTL-18240. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets.

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