Hougen hole cutting

Hougen industrial catalogue (290 KB pdf)
Hougen sheetmetal catalogue (300 KB pdf)

Bremick fasteners

Vortex Roof self driller brochure (320 KB pdf)
Screw Fastener Selection Guide (54 pages 1 MB pdf)

Industrial Technical Information (150 KB pdf)
- Thread Chart, Bolt Standards, Fastener Grades & Markings, Washers.
Masonry Anchors Technical Information (250 KB pdf)
- 14 pages.
Rivets Technical Information (75 KB pdf)
- 2 A3 pages.
Self Drilling Fasteners Technical Information (45 KB pdf)
- Drilling Capacity, Mechanical Properties, Thread Diameter, Drill Speeds.