Historical & Obsolete

Löwenherz Thread

Threads that have been withdrawn or superseded. Listed for repair, restoration and reverse-engineering of older equipment.

Flank angle
53°8′
Sizes listed
18
Range
1.000 – 10.000

Major Diameter mmTapping Drill Size mmPitch mmWrench Size mm
1.0000.6250.2503
1.2000.8250.2504
1.4000.9500.3005
1.7001.1750.3505
2.0001.4000.4006
2.3001.7000.4006
2.6001.9250.4507
3.0002.2500.5007
3.5002.6000.6008
4.0002.9500.7008
4.5003.3750.75010
5.0003.8000.80010
5.5004.1500.90012
6.0004.5001.00012
7.0005.3501.10014
8.0006.2001.20014
9.0007.0501.30017
10.0007.9001.40017

Reference values only. Verify against the current edition of the governing standard before use in production drawings or manufacturing. Provided by Micro Components as a free engineering resource.