Threaded Bar

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Stainless Steel 420F Threaded Bar

Stainless Steel 420F Threaded Bar Stainless Steel 420F Threaded Bar, known by its UNS S42020 designation, is a martensitic stainless steel offering high strength and hardness. This alloy is enhanced with sulfur to improve its machinability, making it a preferred choice for precision machining applications. The 420F variant maintains the excellent mechanical properties of standard 420 stainless steel while providing better machinability, making it suitable for a wide range of industrial applications.

Ferrobend's Stainless Steel 420F Threaded Bars are manufactured to meet stringent quality standards, ensuring consistent performance and reliability. These bars exhibit excellent corrosion resistance in mild environments and can be hardened through heat treatment to achieve higher strength and hardness levels. This makes them ideal for applications such as fasteners, shafts, and structural components that require high durability and precision.

The threaded design ensures secure and reliable fastening, making these bars perfect for use in mechanical assemblies and high-stress installations. The material's excellent machinability allows for easy fabrication into complex shapes and components, meeting the specific requirements of various engineering applications. The alloy's ability to maintain high strength and hardness after heat treatment further enhances its suitability for demanding industrial tasks.

Choosing Ferrobend's Stainless Steel 420F Threaded Bars guarantees a robust and reliable solution for your industrial needs. Our commitment to quality and customer satisfaction ensures that you receive materials that perform exceptionally well, reducing maintenance costs and downtime. With Ferrobend, you can trust that our stainless steel products will deliver long-lasting performance and reliability in the most challenging environments.


Sizes 3mm to 250mm and 1/8” to 12” in diameter
Length Up to 6.5 meters
Tolerances h7, h8, h9, h11, k12, k13
Surface Finish RA up to 0.2mm (8.7 RMS)
Straightness Up to 0.5mm per meter TIR
Grit Polish K240, K320 or as per customer’s requirement
Heat Treatment Solution treatment, annealing or cold drawn
Condition Peeled, cold drawn, turned and polished and centreless ground

Specifications

American ASTM A582/A582M UNS S30300
SAE 30300
AISI 303
UNS S30300
German Werkstoff Number 1.4305
X10CrNiS18-9
British BS970 Part 3 303S31
BS970 EN58M
Japanese JIS G4303 SUS 303
Australian AS 2837-1986-303
  • Grade Confirmation through PMI testing with Handheld Spectrometer.
  • Free from radioactive elements, mercury & lead contamination.

Stainless Steel 420F Threaded Bar Sizes In Stock

Metric Imperial
Diameter Pitch Diameter Threads/inch
M1 0.25 #1 64
M1.2 0.25 #2 56
M1.4 0.3 #3 48
M1.6 0.35 #4 40
M1.7 0.35 #5 40
M1.8 0.35 #6 32
M2 0.4 #8 24
M2.2 0.45 #10 24
M2.3 0.4 #12 20
M2.5 0.45 1/4" 18
M2.6 0.45 5/16" 16
M3 0.5 3/8" 14
M3.5 0.6 7/16" 13
M4 0.7 1/2" 12
M5 0.8 9/16" 11
M6 1 5/8" 10
M7 1 3/4" 9
M8 1.25 7/8" 8
M9 1.25 1" 7
M10 1.5 1 1/8" 7
M11 1.5 1 1/4" 6
M12 1.75 1 3/8" 6
M14 2 1 1/2" 5
M16 2 1 3/4" 4 1/2
M18 2.5 2" 4 1/2
M20 2.5 2 1/4" 4
M22 2.5 2 1/2" 4
M24 3 2 3/4" 4
M27 3 3" 4
M30 3.5 3 1/4" 4
M33 3.5 3 1/2" 4
M36 4 3 3/4" 4
M39 4 4" 4
M42 4.5
M45 4.5
M48 5
M52 5
M56 5.5
M60 5.5
M64 6
M68 6
M72 6
M80 6
M90 6
M100 6