INSERT IDENTIFICATION SYSTEM 1. Insert Size 2. Application 3. Hand of Tool I (mm) d E — External R — Right-hand 06 5/32" THREADING I — Internal L — Left-hand 08 3/16" UE — U-type, External RL — Right- and 11 1/4" UI — U-type, Internal Left-hand 16 3/8" UEI — U-type, External 22 1/2" and Internal 27 5/8" 4. Type I B — Peripherally ground & chipformer d M — Press to size U-type Regular Type with a chipformer ¨ — No indication regular type 16 E R M 1.50 ISO 2M IC808 1 2 3 4 5 6 7 8 5. Pitch 6. Thread Standard 7. No. of Teeth (Optional) Full Profile 60 — Partial Profile 60º (value by number) 55 — Partial Profile 55º 2M — 2 teeth 0.35-9.0 mm ISO — ISO Metric 3M — 3 teeth 72-2 TPI UN — American UN W — Whitworth Partial Profile BSPT — British BSPT (Range by letter) RND — Round DIN 405 8. Grade mm TPI TR — Trapeze DIN 103 A 0.5-1.5 48-16 ACME — ACME IC1007 AG 0.5-3.0 48-8 STACME — Stub ACME IC908 G 1.75-3.0 14-8 ABUT — American Buttress IC808 N 3.5-5.0 7-5 UNJ — UNJ Q 5.5-6.0 4.5-4 IC508 NPT — NPT U 5.5-9.0 4.5-2.75 API RD — API Round IC250 BUT — API Buttress Casing IC228 API — API IC50M H90 — H-90 EL — Extreme Line Casing MJ — ISO 5855 489 489