Code Description Thread Size Lathe Match (where known)
12NS INSERT 2 M20x2 RH (Metric) Tyme Cub
I3NS INSERT 3 M20x1.5 RH (Metric) Electra Beckum / Multico Sumaro
I6NS INSERT 6 3/4" Plain Bore
I7NS INSERT 7 1 1/8" 8 TPI UN(NOT UNC) Oliver
I8NS INSERT 8 7/8" 12 NS LH
I9NS INSERT 9 3/4" 16 TPI RH with 6mm register
IANS INSERT A 3/4" 4TPI BSP RH Teknatool TL1000 (Pre 1986)
IBNS INSERT B 3/4" 4TPI BSP LH Teknatool TL1000 (Pre 1986)
ICNS INSERT C 1" 10TPI BSF RH Teknatool TL1000, Woodfast, Durden
IDNS INSERT D 1" 8TPI UNC RH Delta, Rockwell, Golding, General, Teknatool Comet (North America) & Mercury Lathes
IENS INSERT E 1" 12TPI UNF RH Myford ML8, Turnstyler
IFNS INSERT F 5/8" Plain Bore RH
IHNS INSERT H 3/4" 10TPI BSW RH Rockwell / Homecraft
IINS INSERT I M24x3 RH (Metric) B Line, Arundel K600/K450
IJNS INSERT J 1 1/8" 12 TPI RH Myford Mystro, Masterlathe (NZ)
IKNS INSERT K M18x2.5 RH (Metric) Elu DB 180
ILNS INSERT L 1 1/4" 8 TPI RH Designed for Teknatool 1 ¼” thread reversible operation lathes
IMNS INSERT M 1" 10TPI BSF LH Teknatool TL1000, Woodfast / Durden
INNS INSERT N Blank. Can be threaded up to 28mm (1 1/8? to match your lathe size Once threaded, this blank adapator cannot be re-threaded.
IONS INSERT O 1 1/8" 7 TPI BSW RH Morton
IQNS INSERT Q M30x3.5 RH (Metric) Teknatool TL1500/3000/Comet (European & Southern Hemisphere), Woodfast
ISNS INSERT S 5/8" Plain Bore Designed Specifically for Shopsmith Pro V, Power Pro Machines.
ITNS INSERT T 1"8 TPI Dual Threaded LH and RH
IUNS INSERT U 1 1/8" 12 TPI UNF RH Taiwanese
IVNS INSERT V 7/8" 4 TPI NF RH
IYNS INSERT Y 1 1/4" 8 TPI RH For lathes don't have reverse turning ability.
IWNS INSERT W M25x2 RH (Metric) Tyme Avon ('83 on) & Classic, Tanner SD165; Selbix Springwood; Sorby (some markets); Cotech
IXNS INSERT X 1"8 Dual threaded LH/RH reversible Designed specifically for the NOVA Comet II Midi Lathe, features lock for the reverse function.
