This category offers Heli Coil threaded inserts in Unified National Fine (UNF) sizes, ranging from 1/4" to 3/4". All items conform to the DIN 8140 B standard to ensure reliable thread restoration and strengthening.

Heli Coil - UNF Series

9 products

1/2" x 20 UNF - DIN 8140 B

1/2" x 20 · 8140B1/2 20 F

1/4" x 9 UNF - DIN 8140 B

1/4" x 9 · 8140B1/4 9 F

3/4" x 20 UNF - DIN 8140 B

3/4" x 20 · 8140B3/4 20 F

3/8" x 15 UNF - DIN 8140 B

3/8" x 15 · 8140B3/8 15 F

5/16" x 12 UNF - DIN 8140 B

5/16" x 12 · 8140B5/16 12 F

5/8" x 15 UNF - DIN 8140 B

5/8" x 15 · 8140B5/8 15 F

7/16" x 15 UNF - DIN 8140 B

7/16" x 15 · 8140B7/16 15 F

7/8" x 24 UNF - DIN 8140 B

7/8" x 24 · 8140B7/8 24 F

9/16" x 20 UNF - DIN 8140 B

9/16" x 20 · 8140B9/16 20 F