Grade 12.9 Hex Bolts Part Thread

SKU A001-3-2 Categories ,

From £0.13 Excl. VAT

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Description

Grade 12.9 High Tensile Hex Bolts, Part Thread, DIN 931.

Grade 12.9 high tensile bolts offer exceptional strength and reliability, making them a preferred choice for applications requiring high tensile strength and resistance to mechanical stress.  The "grade" classification signifies the strength of the bolt material, which is determined by its alloy composition and heat treatment.

Grade 12.9 bolts are often utilised in industries such as automotive, aerospace, construction, and machinery manufacturing, where reliable and robust fastening solutions are essential.

Size availability: M6, M8, M10, M12, M14, M16, M18, M20, M24, M30, M36

Finishes include: Zinc, unplated self colour

Thread Length Calculator
Up to 125mm =2 x thread diameter + 6mm
125 - 200mm =2 x thread diameter + 12mm
Over 200mm =2 x thread diameter + 25mm

 

Metric TPI Chart
DiameterTPIDiameterTPIDiameterTPI
M30.50M142.00M333.50
M40.70M162.00M364.00
M50.80M182.50M394.00
M61.00M202.50M424.50
M71.00M222.50M454.50
M81.25M243.00M485.00
M101.50M273.00M525.00
M121.75M303.50M565.50

Please note our images are for display purposes only, thread length will vary.

View our range of grade 12 nuts here

View our range of washers here

More information on coatings here