304 (A2) · 316 (A4) · Class 10.9 · Class 4.6 · Class 8.8 · Grade 8 · Mild Steel

Hobson Engineering Cup Head Bolt

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Measurement

Thread

Size (diameter)

Length (mm)

Pitch / thread

Finish / coating

Grade / strength

Supplied with

Application — optional, by use

HDG 8.8 CUP B/N KIT: M12 X 40

KBC88GCM120040

Fully threaded hex bolt (hex set screw) in high-tensile class 8.8. Hot-dip galvanised for long-term outdoor and corrosive-environment use. Threaded the full length. Made to AS1390.

Specifications

Standard: AS1390 / CLASS 8.8
Grade / class: Class 8.8
Material / finish: Galvanised
Head: Cup / dome head
Thread: Fully threaded
Supplied: With nut

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Sold by the carton (150 ea). Prices on application, request a quote and we’ll price your list.

Documents & data sheets for this selection

Showing documents relevant to the selected variant. Courtesy of Hobson Engineering.

About the Cup Head Bolt

Cup (round) head bolt, also known as a coach or carriage bolt, with a square neck, supplied with a nut as a kit, made to AS1390 in classes 4.6, 8.8 and 10.9. The square neck pulls up tight to resist turning, making it well suited to agricultural equipment.

Also known as: Coach Bolts, Carriage Bolts, Gutter Bolts, Cuphead Bolts.

Features

Round cup head with square neck
Supplied as a bolt and nut kit
Made to AS1390
Available in class 4.6, 8.8 and 10.9
Hot dip galvanised for corrosion resistance

Applications

Seeders and scarifiers
Harvesters and cultivators
Agricultural equipment
Timber and machinery connections

Standards & specification

ANSI B18.5 / A2
DIN 603 / A2
DIN 603 / A4
AS1390 / CLASS 4.6
AS2451
AS1390 / CLASS 10.9
AS1390 / CLASS 8.8
ASME B18.5 / GRADE 8

Need Cup Head Bolt in bulk?

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