2B003 Category 2B

“Numerically controlled” machine tools, “specially designed” for the shaving, finishing, grinding or honing of hardened (Rc = 40 or more) spur, helical and double-helical gears having all of the following.

Category 2: Materials Processing

Reasons for control

• NS: National security
• AT: Anti-terrorism

Country chart

List-based license exceptions

Items

1. a. A pitch diameter exceeding 1,250 mm;
2. b. A face width of 15% of pitch diameter or larger; and
3. c. A finished quality of AGMA 14 or better (equivalent to ISO 1328 class 3).

Related controls

See also 2B993

Source: eCFR, version 2026-08-01, retrieved 2026-08-20T04:04:59+00:00.