M20 x 2.5 Coarse Black Oxide Steel Square Machine Bolts
FABORY

Thread Length Overall Length Thread Style Thread Direction Head Height Hardness Tensile Strength Head Dia. Pkg. Qty. Price (inc. GST)
50 mm 50 mm Fully Threaded Right Hand 20 mm Rockwell C22 - 22 mm 10 SGD 341.71
60 mm 60 mm Fully Threaded Right Hand 20 mm Rockwell C22 116000 psi 22 mm 10 SGD 365.39
70 mm 70 mm Fully Threaded Right Hand 20 mm Rockwell C22 116000 psi 22 mm 10 SGD 390.22
80 mm 80 mm Fully Threaded Right Hand 20 mm Rockwell C22 116000 psi 22 mm 10 SGD 395.56
90 mm 90 mm Fully Threaded Right Hand 20 mm Rockwell C22 116000 psi 22 mm 10 SGD 440.15
100 mm 100 mm Fully Threaded Right Hand 20 mm Rockwell C22 116000 psi 22 mm 10 SGD 442.24
120 mm 120 mm Fully Threaded Right Hand 20 mm Rockwell C22 116000 psi 22 mm 10 SGD 499.43

Description

M20 x 2.5 coarse square head machine bolts are used in heavy machinery, construction and industrial applications for securing heavy components together, such as steel beams, machinery parts and structural elements. These bolts can withstand high loads and vibrations due to their square shape, which provides a better grip and prevents loosening over time.

Features

  • They feature steel construction with black oxide finish for durability and corrosion resistance.
  • These square head bolts have a Class 8 material grade, guaranteeing high tensile strength up to 116000 psi for secure fastening.
  • They conform to DIN 479 dimensional standards, ensuring compatibility with standardised equipment and assemblies.
  • These square head machine bolts offer a convenient external square drive for installation with compatible tools.
  • They feature a square head type, offering increased surface area for wrench grip and enhanced torque transfer during tightening operations.

Frequently Asked Questions

What precautions should I take when handling M20 x 2.5 coarse square machine bolts?

  • Users should wear appropriate personal protective equipment, such as gloves and eye protection when handling bolts to prevent injury. Additionally, care should be taken to avoid cross-threading during installation to maintain integrity.
What are the bearable temperature limits for these M20 x 2.5 coarse square machine bolts?

  • These bolts can withstand temperatures ranging from -58 to 302 degrees F.