1/4" 5/16" 3/8" 1/2" BSF SET SCREWS HIGH TENSILE BLACK HEX FULLY THREADED BOLTS | eBay
British Threads - British Standard Fine
BSW & BSF Threads
BSF (British Standard Fine) Tap and die Set : Amazon.co.uk: DIY & Tools
Sherwood Plug Tap, Straight Flute, 3/16in. x 32 BSF, High Speed Steel, BSF, Bright 0851600C | Cromwell Tools
TR knowledge base | Thread geometry- British Standard Fine (BSF)
Round die Thread Die Right Hand Coating BSF/BSW Screw Thread Die for Pitch Thread Tapping Tools Metal Threading Die (Color : BSW 5l16 18) : Amazon.co.uk: DIY & Tools
5/16" - 22 TPI BSF HELICOIL THREAD REPAIR KIT
Helicoil Type Inserts - BSW & BSF Tapped Hole Size Table - Cross Tools Co
3/8 inch x 20 TPI [Medium Class] BSF - No-Go Ring Thread Gauge (JBO Johs Boss)
Threads
1/2 x 16 BSF Go/No Go Thread Plug Gage w/handle
BSW/BSF Thread Dimensions Chart | Optimas International
Fastenerdata - BSF Threads British Standard Fine threads 200 - Fastener Specifications