Page 704 - Mastik®

Selection criteria for self-tapping Design guideline
®
Ensat inserts

Grouping of materials, types and finishes.

Ensat ® Ensat ® Ensat ® Ensat ® Ensat ®
Type 302 Type 305 Type 307 / 308 Type 337 / 338 Type 309

Material Base Recommended Finishes / materials
Group material works standards
I Heat-treated aluminum with a tensile strength 302 / 337 Steel case-hardened zinc plated
above 350 N/mm 307 / 338
2
308
Cast iron in higher hardness range. 302 Steel case-hardened zinc plated
brass, bronze and other non-ferrous metals.
II Aluminum with a tensile strength 302 / 337 Steel case-hardened zinc plated
2
up to 350 N/mm 307 / 338
308
Cast iron 302 Steel case-hardened zinc plated
Thermoplastics 302 / 337 Steel case-hardened zinc plated
Thermosetting plastics (Polyester plastics, 307 / 338 or Brass
Nylon 66 both reinforced, Plexiglas) 308
III Aluminum with a tensile strength 302 / 337 Steel case-hardened zinc plated
2
up to 300 N/mm 307 / 338
308
Soft cast iron 302 Steel case-hardened zinc plated
Thermoplastics 302 / 337 Steel case-hardened zinc plated
Thermosetting plastics 307 / 338
(Polyamide 6.6, Laminates) 308
302 Brass
IV Aluminum with a tensile strength 302 Steel case-hardened zinc plated
up to 250 N/mm 2
Soft metals and aluminum with tensile strength 302 Steel case-hardened zinc plated
up to180 N/mm 2 or stainless steel A1

Laminates soft (press-board) 302 Steel case-hardened zinc plated
or Brass
or stainless steel A1
Thermoplastics, 302 Steel case-hardened zinc plated
Thermosetting plastics, or Brass
(Polyethylene, polypropylene etc.) or stainless steel A1
Hardwoods
V Hardwoods 309 Brass
VI Softwoods and plywood 309 Brass
Wood fiber materials
VII Thermoplastics 305 Brass