Thread Repair Tools

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

ST1.1/8-7X1.125, 1-1/8-7x 1.125 (1D) UNC STI Insert

ST1-8X3.000, 1-8x 3.000 (3D) UNC STI Insert

ST1-8X2.500, 1-8x 2.500 (2.5D) UNC STI Insert

ST1-8X2.000, 1-8x 2.000 (2D) UNC STI Insert