Roof Bolt High-Performance Type "Ultra Tight"

High fastening performance! The truss-shaped cross legs exert force over a wide area on thin steel plates.

"Ultra Tight" is a high-performance type roof bolt that exerts force over a wide area on thin steel plates with its truss-shaped cross leg design. It achieves double the strength of conventional roof bolts (compared to our own products). It can be installed using commercially available impact drivers. [Features] ○ Wide-range fastening design ○ High fastening performance ○ High corrosion resistance → Washers and bolts made of stainless steel ○ Excellent aesthetics (UT type) For more details, please contact us or download the catalog.

basic information

【Specifications】 ○Model Number: UT-1206S / UTB-1204S ○Shaft Diameter (mm): 12 ○Total Length (mm): 63 / 86 ○Head →Height (mm): 17 / 42 →Screw Length (mm): - / 25 ○Neck Length (mm): 47 / 44 ○Width Across Flats →Hex Bolt (mm): 13 →Special Seat (mm): 21 ○Pilot Hole Diameter (mm): 13.5 ○Applicable Plate Thickness (mm): 0.5 to 6.0 / 0.5 to 3.2 ○Tightening Length (mm): 3.0 to 6.5 / 0.5 to 4.0 ○Required Distance on Back Side (mm): 45 ○Maximum Opening Width (mm): 32 ○Confirmation Torque (Nm): 15 ○Maximum Load (kN) →Tensile Head: - / 7.0 →Tensile Neck: 21.0 →Shear: 22.5 ●For more details, please contact us or download the catalog.