BA Thread Sizes

Fastener Assembly & PerformanceInstallation GuidelinesTerminology & GlossaryEngineering TablesMaterialsFastener Surface FinishesDIN/ISO/BS ChartsJoint Design GuidesAnimation LibraryConversion Calculator

BA Thread Sizes

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BA Thread Sizes

BA	Pitch	Depth	Maj Dia.	Eff Dia.	Minor Dia	Minor Dia.	Clearance Drill
0	0.0394	0.0236	0.2362	0.2126	0.0034	0.1090	6.10
1	0.0354	0.0213	0.2087	0.1874	0.0057	0.1608	5.40
2	0.0319	0.0191	0.1850	0.1659	0.0069	0.2180	4.80
3	0.0287	0.0172	0.1614	0.1441	0.0076	0.2769	4.20
4	0.0260	0.0156	0.1417	0.1262	0.0086	0.3350	3.70
5	0.0232	0.0139	0.1260	0.1120	0.0098	0.3918	3.30
6	0.0209	0.0125	0.1102	0.0976	0.0114	0.4466	2.90
7	0.0189	0.0113	0.0984	0.0870	0.0114	0.5091	2.60
8	0.0169	0.0102	0.0866	0.0764	0.0125	0.5668	2.25
9	0.0154	0.0902	0.0748	0.0656	0.0137	0.6860	1.95
10	0.0138	0.0083	0.0669	0.0587	0.0153	0.8039	1.75
11	0.0122	0.0073	0.0591	0.0518	0.0172	0.9200	1.60
12	0.0110	0.0066	0.0512	0.0445	0.0196	0.0335	1.40
13	0.0098	0.0059	0.0472	0.0413	0.0196	1.1585	1.30
14	0.0091	0.0054	0.0394	0.0339	0.0229	1.3933	1.10
15	0.0083	0.0050	0.0354	0.0305	0.0275	1.6219	0.98
16	0.0075	0.0045	0.0311	0.0266	0.0305	1.8577	0.98

Note: Due to the fact that fastening applications differ greatly, the above information is for guidance only and is correct to the best of our knowledge. The customer must satisfy themselves with the performance of the fastener and validity of the data. TR Fastenings will not be held responsible for any failure that may occur from the use of this information.

Fastener Assembly & Performance Installation Guidelines Thread Geometry Terminology & Glossary Engineering Tables Materials Fastener Surface Finishes DIN/ISO/BS Charts Joint Design Guides Animation Library Conversion Calculator

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