S-94444A107 1/4"-20 x 2" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

18-8 Stainless Steel Hex Head Screws

0244FA01323 18-8 Stainless Steel Hex Head Screws
0244FA01323 18-8 Stainless Steel Hex Head Screws

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

Part No.
Part No. 0244FA01323
Equivalent to mcmaster :
94444A107

Basic Information

System of Measurement Inch

Head Parameters

Head Type Hex
Head Width 7/16"
Head Height 5/32"

Dimensions

Length 2"

Thread Parameters

Thread Type UNC
Thread Size 1/4"-20
Thread Diameter 0.25"
Thread Spacing Coarse
Min Thread Length 3/4"
Thread Direction Right Hand
Thread Fit Class 2A
Threading Partially Threaded

Tip & Drive Parameters

Drive Style External Hex

Material & Strength

Material Black-Oxide 18-8 Stainless Steel
Hardness Rockwell B70
Tensile Strength 80000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ASME B18.2.1
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
Price available upon request. Our sales team will respond within 24 hours with a competitive quote tailored to your requirements.
REQUEST A QUOTE
  • Fast delivery
  • Enjoy discounts on bulk purchases
  • Secure Payment
  • Fast Global Shipping

Key Features & Benefits at a Glance

  • Exceptional corrosion resistance with Black-Oxide 18-8 Stainless Steel, ideal for harsh industrial environments
  • High tensile strength of 80,000 psi ensures reliable performance in heavy-duty applications
  • Rockwell B70 hardness provides excellent durability and resistance to wear
  • Partially threaded UNC coarse spacing allows for faster installation and secure clamping
  • Class 2A thread fit guarantees consistent, precise engagement with standard nuts
  • External hex drive design facilitates easy tightening with common tools
  • Compliance with ASME B18.2.1, RoHS 3, and REACH ensures safety and regulatory adherence

Professional Applications & Engineering Value

Engineered for demanding industrial settings, these 1/4"-20 hex head screws feature Black-Oxide 18-8 Stainless Steel to combat rust and chemical exposure, extending service life in machinery, construction, and outdoor equipment. The UNC coarse thread and partially threaded design enable quick assembly and reduced risk of cross-threading, while the external hex drive ensures straightforward installation with standard wrenches. With 80,000 psi tensile strength and Rockwell B70 hardness, they withstand high stress and vibration, making them ideal for structural fastening and heavy-duty applications where reliability is critical.

Specification Summary & Compliance

This screw adheres to Class 2A thread fit for precise dimensional accuracy and features a 1/4"-20 UNC coarse thread with a minimum thread length of 3/4". Manufactured in compliance with ASME B18.2.1 standards, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity.

🔍
Cancel