BA threads are used for sizes under 1/8 inch the older British fastener system.

BA size chart, for BA nuts and bolts. Skip to primary navigation; Skip to main content; Skip to footer ... 0 items £0.00; Search this website. BA size chart. You are here: Home / BA size …

British Association Screw Threads or BA Screws Threads, BA threads: tapping and clearance drills table

2012年3月13日 · Sizes of screw threads in the BA series, major diameter and pitch for each gage from 25 to zero

British Association screw threads known as BA screw threads, are a type of small screw thread that is practically obsolete. The largest is 0BA, which has a diameter of 6 mm. They were used …

British Association (BA) Screw Threads h -1.13634P r=O.18083P s=o.26817P 47.50' 23.750 D=Major Ø Internal Thread DI —Minor Internal Thread D2=Pitch Ø Internal Thread d2, D2 …

2016年7月23日 · The British Standards Institution recommends the use of BA sizes in favour of the smaller British Standard Whitworth (BSW) and British Standard Fine (BSF) thread screws …

2013年2月12日 · British Association Standard Screw Threads are used mainly for instruments and clocks. The BA-series screw threads should not be used for new designs. Instead use the …

You'll find lots of BA threads on any British car, but only for fasteners smaller than 1/4". BA fasteners have their own set of spanner sizes. Typically, a set of "Whitworth" sockets will …

BA sizes range from 16BA (smallest) and 0BA the largest. Look below for a full chart of dimensions and measurements. If you are still unsure either email details or send in a sample …