GET QUOTE

our products

A193 Grade B7 Hex Bolt

ASTM A193 GRADE B7 HEX BOLTS (1)
ASTM A193 GRADE B7 HEX BOLTS (1)

Rushabh Fastners is a trusted manufacturer and supplier of ASTM A193 Grade B7 Bolts, engineered for high-temperature and high-pressure applications. Manufactured from Chromium–Molybdenum alloy steel and quenched & tempered, our B7 bolts deliver exceptional strength, durability, and reliability in demanding industrial environments.

 

Specification

Mark: RF
Standard: ASTM A193
Grade: B7
Material: Chromium Chromium–Molybdenum Alloy Steel
Heat Treated—Quenched & Tempered

Mechanical Properties:

  • Minimum Tensile Strength: 125 ksi (≈ 860 MPa)
  • Minimum Yield Strength: 105 ksi (≈ 720 MPa)
  • Hardness: 28-32 HRC
  • Thread Type: UNC / Full threaded

Dimensional Standard:

  • Hex Bolt: ASME B18.2.1
  • Surface Finish/Coating: Black/Hot
  • Dip Galvanized (HDG)/Zinc Plating/Zinc flake (as required)

Size Range:

  • In Inch 3/8″ to 7/8″ diameter
    In MM M8 TO M39 (or as per customer requirement)

Testing:
Tensile Test / Hardness Test / Chemical & Mechanical Test as per ASTM A193

Application:
High-temperature & high-pressure service,
Oil & Gas, Petrochemical, Refineries, Power Plants, Heavy Engineering

OUR PRODUCTS

  • -A193 Grade B7 Hex Bolt
  • -A193 Grade B7 Studs
  • -A193 Grade B7 Threaded bars
  • -A194 Grade 2H Hex Nuts
  • -A194 Grade 2H Heavy Hex Nuts
  • -A193 Grade B7M Studs
  • -A194 Grade 2HM Nuts
  • -A193 Grade B16 Studs
  • -A320 Grade L7 Studs
  • -A194 Grade 7 Nuts
  • -A193 Grade B8/B8M Studs
  • -A194 Grade Grade 8/8M Nuts

HIGH-TENSILE FASTENERS

  • -Hex Bolts Grade 10.9
  • -Hex Bolts Grade 8.8
  • -Hex Nuts Grade 10/8
  • -High tensile Plain Washers
  • -High tensile Spring Washers
  • -Allen Bolt
  • -Allen Csk
  • -Allen Button Head Screw

FAQ

Get In Touch!

Let’s discuss your requirement and find the perfect solution.

Contact Us

CORPORATE ADDRESS

  • Build. NO.81, Shop No.7 & 8, Opp. Hanuman Temple, Nakhoda Street, Masjid Bander (W), Mumbai-400003.
  • rushabhfastners@yahoo.com, sandipfastners@yahoo.co.in
  • 022-61852612/ 61852606

FACTORY ADDRESS

  • Gala No.6, Building No.4, Hriday Industrial Hub, Near Chinchoti Police Chowki, Western Express Highway, Vasai East, Dist. Palghar-401208.

ABOUT US

We are dealing into following fasteners

  • ASTM Fasteners :- Available in Grades A193 Gr. B7 / A 194 Gr. 2H, B7M/2HM, B8 /8, B8M/ 8M, A320 Gr.L7 / 4. etc.,
  • S.S. Fasteners :- Available in Grades 304, 316, 202, 304L, 316L etc.,
  • H.T. Fasteners :- Available in Grades 8.8,10.9,12.9 etc.,
  • M.S. Fasteners :- Available in Grade 4.6.
  • Types of Coating ( Plating ) :- We also provide Fasteners with Electro Zinc Plating, Hot Dip Galvanize, Cadmium, Nickel, PTFE Coating etc.,.

Quick Links

Home

Services

About

Team

Privacy Policy

Term of Services

Blogs

Contact

Work Hours

  • Mon-Sat 10:00 AM -07:00 PM

We are pleased to introduce ourselves  as a leading Importer and Stockist of ASTM A193 Gr.B7/A194 Gr.2H Fasteners with Brand Name “RF” .

Follow Us

Facebook-f Instagram Linkedin Youtube Envelope

© 2026 RUSHABH FASTNERS