ptapsThe standard material for a BSW tap is a high-speed steel (HSS). The HSS material allows for use in many tough materials. 

P/NDescription
867101/8 – 40 BSW STI PLUG TAP
867123/16 – 24 BSW STI PLUG TAP
867161/4 – 20 BSW STI PLUG TAP
867185/16 – 18 BSW STI PLUG TAP
867203/8 – 16 BSW STI PLUG TAP
867227/16 – 14 BSW STI PLUG TAP
867241/2 – 12 BSW STI PLUG TAP
867295/8 – 11 BSW STI PLUG TAP
867313/4 – 10 BSW STI PLUG TAP
867337/8 – 9 BSW STI PLUG TAP
867351 – 8 BSW STI PLUG TAP