Thread Repair Tools

1-1/2 - 6 UNC STI Insert (Available in 4 different lengths)

1 - 8 UNC STI Insert (Available in 5 different lengths)

BA Screw Thread Repair Kits

NPT Screw Thread Repair Kits

Metric Spark Plug Screw Thread Repair Kits

UNF Screw Thread Repair Kits

UNC Screw Thread Repair Kits

Metric Medium, Fine & Extra Fine Screw Thread Repair Kits

Metric Coarse Screw Thread Repair Kits

BSF Screw Thread Repair Kits

BSW Screw Thread Repair Kits

BSP Screw Thread Repair Kits

1-1/2 - 12 UNF STI Insert (Available in 4 different lengths)

1-3/8 - 12 UNF STI Insert (Available in 3 different lengths)

1-1/4 - 12 UNF STI Insert (Available in 4 different lengths)

1-1/8 - 12 UNF STI Insert (Available in 3 different lengths)

1 - 12 UNF STI Insert (Available in 5 different lengths)

7/8 - 14 UNF STI Insert (Available in 5 different lengths)

3/4 - 16 UNF STI Inserts (Available in 5 different lengths)

5/8 - 18 UNF STI Inserts (Available in 5 different lengths)

9/16 - 18 UNF STI Inserts (Available in 5 different lengths)

1/2 - 20 UNF STI Inserts (Available in 5 different lengths)

7/16 - 20 UNF STI Inserts (Available in 5 different lengths)

3/8 - 24 UNF STI Inserts (Available in 5 different lengths)

5/16 - 24 UNF STI Inserts (Available in 5 different lengths)

1/4 - 28 UNF STI Inserts (Available in 5 different lengths)

10 - 32 UNF STI Inserts (Available in 5 different lengths)

8 - 36 UNF STI Inserts (Available in 5 different lengths)

6 - 40 UNF STI Inserts (Available in 5 different lengths)

4 - 48 UNF STI Inserts (Available in 5 different lengths)

3 - 56 UNF STI Inserts (Available in 5 different lengths)

ST1.1/4-7X3.750, 1-1/4-7x 3.750 (3D) UNC STI Insert

ST1.1/4-7X3.125, 1-1/4-7x 3.125 (2.5D) UNC STI Insert

ST1.1/4-7X2.500, 1-1/4-7x 2.500 (2D) UNC STI Insert

ST1.1/4-7X1.875, 1-1/4-7x 1.875 (1.5D) UNC STI Insert

ST1.1/4-7X1.250, 1-1/4-7x 1.250 (1D) UNC STI Insert

ST1.1/8-7X3.375, 1-1/8x 3.375 (3D) UNC STI Insert

ST1.1/8-7X2.812, 1-1/8x 2.812 (2.5D) UNC STI Insert

ST1.1/8-7X2.250, 1-1/8-7x 2.250 (2D) UNC STI Insert

ST1.1/8-7X1.688, 1-1/8-7x 1.688 (1.5D) UNC STI Insert