Download PDF: Technical Spec

M12 Through Bolt BZP 12 x 80mm (Box of 50)

from only £16.10 (ex.VAT) £19.32 (inc.VAT)
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Available for Click and Collect
Product Code:1280TB
Bulk Discounts ex. VAT inc. VAT
Order 1 to 3 Boxes  £17.25 £20.70
Order 4 to 10 Boxes   £16.65 £19.98
Order 11+ Boxes   £16.10 £19.32

Zinc plated through bolts have a chamfered head to prevent damage to the thread during installation, and come with a special expansion clip to aid rapid installation. Our through bolts are an extremely versatile fixing for use in a wide range of anchoring applications into concrete.

NOTE: If no torque wrench is available, tighten the nut 3 to 4 full turns from finger tight.


Chamfered head design to prevent damage to thread during installation



Zinc plated and passivated (3-5 microns)



Cold Formed Carbon Steel - Grade 5. 8
Special expansion clip for rapid installation


Thread Ø x L (mm) M12 x 80
Max Fixture Thickness (mm) 5
Fixture Clearance Hole (mm) 14
Across Flats (mm) 19
Box Qty. 50

Technical Spec.Detail
Size Ø (mm) M12
Drill Hole Ø (mm) 12
Embedment Depth (mm) 50
Min Drill Hole Depth (mm) 60
Centre Spacing (mm) 150
Edge Distance (mm) 75
Min Structure Thickness (mm) 100
Rec. Tightening Torque (Nm) 45
Rec. Tensile Load (kN) 7.25
Max Rec. Load (kg) 725

We stock a wide range of through bolts here.