28-Pitch  inserts are available in both locking and free-running varieties. These inserts are commonly used in sizes from 1 inch up to 5 inches in diameter. Regardless of the diamater, they all share the same 8 threads per inch. The standard material for these inserts is 18-8 stainless steel, but they are also available in Inconel X750. These inserts can also be plated in Dry-Film Lube, or coated in Silver. Our inserts are DFARS compliant, and conform to military or aerospace specifications when applicable.
LONGER LENGTH 8-PITCH INSERTS AVAILABLE UPON REQUEST.

P/NDescription
83301-1.01 1/8-8 F/R INSERTInsert Length
1.125"
83301-1.51 1/8-8 F/R INSERTInsert Length
1.688"
83301-2.01 1/8-8 F/R INSERTInsert Length
2.250"
83302-1.01 1/4-8 F/R INSERTInsert Length
1.250"
83302-1.51 1/4-8 F/R INSERTInsert Length
1.875"
83302-2.01 1/4-8 F/R INSERTInsert Length
2.500"
83303-1.01 3/8-8 F/R INSERTInsert Length
1.375"
83303-1.51 3/8-8 F/R INSERTInsert Length
2.063"
83303-2.01 3/8-8 F/R INSERTInsert Length
2.750"
83304-1.01 1/2-8 F/R INSERTInsert Length
1.500"
83304-1.51 1/2-8 F/R INSERTInsert Length
2.250"
83304-2.01 1/2-8 F/R INSERTInsert Length
3.000"
83305-1.01 5/8-8 F/R INSERTInsert Length
1.625"
83305-1.51 5/8-8 F/R INSERTInsert Length
2.438"
83305-2.01 5/8-8 F/R INSERTInsert Length
3.250"
83306-1.01 3/4-8 F/R INSERTInsert Length
1.750"
83306-1.51 3/4-8 F/R INSERTInsert Length
2.625"
83306-2.01 3/4-8 F/R INSERTInsert Length
3.500"
83307-1.01 7/8-8 F/R INSERTInsert Length
1.875"
83307-1.51 7/8-8 F/R INSERTInsert Length
2.813"
83307-2.01 7/8-8 F/R INSERTInsert Length
3.750"
83308-1.02″ – 8 F/R INSERTInsert Length
2.000"
83308-1.52″ – 8 F/R INSERTInsert Length
3.000"
83308-2.02″ – 8 F/R INSERTInsert Length
4.000"
83309-1.02 1/8-8 F/R INSERTInsert Length
2.125"
83309-1.52 1/8-8 F/R INSERTInsert Length
3.188"
83310-1.02 1/4-8 F/R INSERTInsert Length
2.250"
83310-1.52 1/4-8 F/R INSERTInsert Length
3.375"
83311-1.02 3/8-8 F/R INSERTInsert Length
2.375"
83311-1.52 3/8-8 F/R INSERTInsert Length
3.563"
83312-1.02 1/2-8 F/R INSERTInsert Length
2.500"
83312-1.52 1/2-8 F/R INSERTInsert Length
3.750"
83313-1.02 5/8-8 F/R INSERTInsert Length
2.625"
83313-1.52 5/8-8 F/R INSERTInsert Length
3.938"
83314-1.02 3/4-8 F/R INSERTInsert Length
2.750"
83314-1.52 3/4-8 F/R INSERTInsert Length
4.125"
83315-1.02 7/8-8 F/R INSERTInsert Length
2.875"
83315-1.52 7/8-8 F/R INSERTInsert Length
4.313"
83316-1.03″ – 8 F/R INSERTInsert Length
3.000"
83316-1.53″ – 8 F/R INSERTInsert Length
4.500"
83317-1.03 1/8-8 F/R INSERTInsert Length
3.125"
83317-1.53 1/8-8 F/R INSERTInsert Length
4.687"
83318-1.03 1/4-8 F/R INSERTInsert Length
3.250"
83318-1.53 1/4-8 F/R INSERTInsert Length
4.875"
83319-1.03 3/8-8 F/R INSERTInsert Length
3.375"
83319-1.253 3/8-8 F/R INSERTInsert Length
4.219"
83320-1.03 1/2-8 F/R INSERTInsert Length
3.500"
83320-1.253 1/2-8 F/R INSERTInsert Length
4.375"
83324-1.04″ – 8 F/R INSERTInsert Length
4.000"