,

HTHLR Tapered Heads

THREADING INSERTS – LT-54
FOR A.P.I. ROTARY SHOULDER CONNECTIONS

Right Hand Shown, Left Hand Opposite

 

Catalog Number Dimensions Insert Size Parts
Right Hand *Left Hand A B C D I.C. Thk. Lock
Pin
Clamp Shim Clamp
Screw
(S.H.C.S)
HTHLR 28-5T HTHLL 28-5T 1-3/4 .937 1-3/4 1-13/16 5/8 1/4 NL-58 C-2 APIS-5H 1/4-28×3/4
HTHLR 32-5T HTHLL 32-5T 2 1.031 2 1-1/8
HTHLR 40-5T HTHLL 40-5T 2-1/2 1.282 2 2-5/8

• For coolant provision add suffix “C” to catalog number (ex; HTHLR 28-5TC)
• *Left hand available on request only and are subject to quote. Left hand heads require
external inserts.

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