Drawing-based production
Custom Fasteners for Special Industrial and Project Requirements
When a standard product does not fit the application, FASNA reviews the drawing, tolerances, material, grade, heat treatment, surface treatment, inspection basis and quantity before quotation.
Bent products
U-Bolts, square bolts and special hook bolts
Bent fasteners are produced from specified bar diameter, inside dimensions, leg length, thread length and coating requirement.
- Round U-bolts and square U-bolts.
- Special hook and custom bent bolts.
- Matched nuts, washers and plates.
- Drawing or sample-based dimensional review.
Special head styles
T-head, square head, flange, socket and special bolts
Head geometry and under-head dimensions are reviewed against the drawing or applicable standard.
- T-head and square head bolts.
- Flange bolts and socket head bolts.
- Bucket, weld stud and countersunk styles.
- Machined shoulders and special threaded ends.
Corrosion-resistant options
Stainless steel bolts for specified environments
Stainless fasteners can be reviewed according to the required grade, dimensions, finish and application environment.
- Hex and special stainless bolt options.
- Matched stainless nuts and washers.
- Standard or drawing-based dimensions.
- Application and material grade must be confirmed before quotation.
Secondary supply range
Screws and mechanical anchor products
These products can be quoted as separate requirements or combined with a broader fastener order.
- Self-drilling and self-tapping screws.
- Drywall and wood screws.
- Mechanical anchor products.
- Carbon steel and stainless options according to order.
Non-standard components
Drawing parts and machined threaded components
Provide a clear drawing with dimensions, tolerances, material, grade, surface treatment and quantity for technical review.
Quotation and technical feasibility depend on the complete drawing and order quantity. No unverified performance data will be supplied.