These are BSPT x JIC male male nipples male male nipples. JIC & BSPT are widely used in Australia. BSPT is 'tapered' thread. (Parralel, Bspp is mainly used for valve & Cylinder ports. We also sell BSPP x JIC in another listing.) Please check thread chart below.
To buy multiple quantities, click 'add to bag' , & then keep clicking 'add to bag' numerous times. Alternately, click 'add to bag' , & then at check out there is an easy option to add whatever quantities you require.