Page 84 - Carmex - Inch Catalog 2022

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Thread Turning Toolholders

Thread Helix Angle

Standard and Slanted Anvils

CARMEX Toolholder Pockets have a built in 1.5º helix angle. This angle may be
adjusted to better match the thread helix angle by simply changing the anvil.
Negative helix is usually used when threading RH thread with LH Holder or LH
thread with RH Holder.

L IC Pocket Angle 4.5˚ 3.5˚ 2.5˚ 1.5˚ 0.5˚ -0.5˚ -1.5˚
mm Standard
16 3/8 EX-RH OR IN-LH AE16+4.5 AE16+3.5 AE16+2.5 AE16 AE16+0.5 AE16-0.5 AE16-1.5
16 3/8 EX-LH OR IN-RH AI 16+4.5 AI 16+3.5 AI 16+2.5 AI 16 AI 16+0.5 AI 16-0.5 AI 16-1.5
22 1/2 EX-RH OR IN-LH AE22+4.5 AE22+3.5 AE22+2.5 AE22 AE22+0.5 AE22-0.5 AE22-1.5
22 1/2 EX-LH OR IN-RH AI 22+4.5 AI 22+3.5 AI 22+2.5 AI 22 AI 22+0.5 AI 22-0.5 AI 22-1.5
22U 1/2U EX-RH OR IN-LH AE22U+4.5 AE22U+3.5 AE22U+2.5 AE22U AE22U+0.5 AE22U-0.5 AE22U-1.5
22U 1/2U EX-LH OR IN-RH AI 22U+4.5 AI 22U+3.5 AI 22U+2.5 AI 22U AI 22U+0.5 AI 22U-0.5 AI 22U-1.5
27 5/8 EX-RH OR IN-LH AE27+4.5 AE27+3.5 AE27+2.5 AE27 AE27+0.5 AE27-0.5 AE27-1.5
27 5/8 EX-LH OR IN-RH AI 27+4.5 AI 27+3.5 AI 27+2.5 AI 27 AI 27+0.5 AI 27-0.5 AI 27-1.5
27U 5/8U EX-RH OR IN-LH AE27U+4.5 AE27U+3.5 AE27U+2.5 AE27U AE27U+0.5 AE27U-0.5 AE27U-1.5
27U 5/8U EX-LH OR IN-RH AI 27U+4.5 AI 27U+3.5 AI 27U+2.5 AI 27U AI 27U+0.5 AI 27U-0.5 AI 27U-1.5

A02-16