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Tooling Supplier

for the UK & Ireland

Indexable Threading (Single Point Threading)

Threading Inserts & Toolholders For Lathe Thread Turning

Indexable Threading Tool Holders
Category Indexable Threading Tool Holders
ISO Metric Threading Inserts
Category ISO Metric Threading Inserts
Whitworth Threading Inserts
Category Whitworth Threading Inserts
UN (UNC/UNF) Threading Inserts
Category UN (UNC/UNF) Threading Inserts
BSPT Threading Inserts
Category BSPT Threading Inserts
NPT/NPTF Threading Inserts
Category NPT/NPTF Threading Inserts
Partial Profile Threading Inserts
Category Partial Profile Threading Inserts
ACME Threading Inserts
Category ACME Threading Inserts
Trapezoidal Threading Inserts
Category Trapezoidal Threading Inserts
MJ Threading Inserts
Category MJ Threading Inserts
UNJ Threading Inserts
Category UNJ Threading Inserts
PG Threading Inserts
Category PG Threading Inserts
American Buttress Threading Inserts
Category American Buttress Threading Inserts
British Buttress Threading Inserts
Category British Buttress Threading Inserts

Thread turning on a lathe typically uses single point threading inserts.  Threading inserts usually have 3 cutting edges and can be indexed after each use.  Threading inserts are available in full form (whereby the insert 'tops the thread off' for cut a full form thread) or in partial profile (where the thread isn't topped off and one insert can cut a wide range of thread forms). The thread is machined by taking several passes until the full size of the thread is turned. Inserts are supplied in 'inscribed circle size' such as 06NR/ER, 11NR/ER, 16NR/ER, 22NR/ER, 27NR/ER, the number designating the size of the inscribed circle (e.g. 16 = 16mm), E for external, N for internal, R for right hand and L for left hand.

Cutwel offers single point threading tools for lathe screw cutting from Korloy and Vargus (Vardex).  We offer left and right hand threading inserts, internal and external in metric, UN, Whitworth, BSPT, ACME, Stub ACME, Trapezoidal, NPT, NPTF and partial profile. Threading inserts are available fully ground for highest accuracy or moulded (chipbreaker style) for economy threading. Korloy threading inserts are interchangeable with all other manufacturers holders except Sandvik.

Please contact us if you cannot find the threading insert you require as we often have access to a wider range of threading inserts than we list online or buy online today.