A set of C.E.I. (Cycle Engineers Institute) taps and dies. Used on bicycles and English motorcycles. Later called B.S.Cy. (British Standard Cycle). Up to 7/16" all threads are 26tpi. Larger sizes are
BRITISH TOOLS MOTORCYCLE BSC - CEI TAP & DIE SET - (4336) - British Tools & Fasteners
TRIUMPH NORTON BSA 23 PC. 1/8" - 1/2" WHITWORTH BSW TAP & DIE SET PN# TBS-0600
12 CEI 26 TPI tap and die set 1959 to 1968 classic Motorcycle Triumph | Steadfast Cycles
12 CEI 26 TPI tap and die set 1959 to 1968 classic Motorcycle Triumph | Steadfast Cycles
TRIUMPH BSA NORTON 1/4" X 26 TPI CEI CYCLE THREAD DIE WHITWORTH PN# TBS-06-1181
20 TPI CYCLE PITCH - Taps & Dies, Reamers, Milling Cutters, Tracy Tools
BSB BSCYCLE BSCY CEI TAP AND DIE SET BRITISH 26 TPI MOTORCYCLE TOOLS BSA NORTON# | eBay
LPR Toolmakers - 20pc Cycle Tap & Die Set (Carbon Steel)
British Standard Whitworth CEI Tap and Die Set – Lowbrow Customs
BRITISH TOOLS MOTORCYCLE BSC - CEI TAP & DIE SET - (4336) - British Tools & Fasteners
British Standard Whitworth CEI Tap and Die Set – Lowbrow Customs
British Standard Whitworth CEI Tap and Die Set – Lowbrow Customs
British Standard Whitworth CEI Tap and Die Set – Lowbrow Customs
![BSCY,CEI 26 TPI TAP DIE SET 1/4"-1/2" FOR AJS,TRIUMPH,NORTON,ARIEL,ENFIELD | eBay](https://i.ebayimg.com/images/g/SzEAAOSwPqFdE4rK/s-l1600.jpg "BSCY,CEI 26 TPI TAP DIE SET 1/4"-1/2" FOR AJS,TRIUMPH,NORTON,ARIEL,ENFIELD | eBay")
BSCY,CEI 26 TPI TAP DIE SET 1/4"-1/2" FOR AJS,TRIUMPH,NORTON,ARIEL,ENFIELD | eBay
TRIUMPH BSA NORTON 1/4" X 26 TPI CEI CYCLE THREAD DIE WHITWORTH PN# TBS-06-1181
LPR Toolmakers - 20pc Cycle Tap & Die Set (Carbon Steel)
CEI BSB CYCLE 26 TPI TAP DIE SET 1/4" - 1/2" BOXED 24 PCS - BSA NORTON TRIUMPH - Amazon.com
Tap & Die Set CEI 26tpi - Wooden Case - Vintage Triumph Parts
TAP & DIE SET BSC - CEI 24 pieces - (4340) - British Tools & Fasteners
BSCY Taps & Dies
BSB BSCY CEI Cycle 26 TPI TAP DIE Set 1/4" - 3/4" Hard to FIND 28 PCS Set - 60 Degree Angle : Amazon.ca: Tools & Home Improvement
![BSB BSCY,CEI 26 TPI TAP DIE set '3/8" tap AND die set @WM | eBay](https://i.ebayimg.com/images/g/o7MAAOSweEZhtNoX/s-l1200.webp "BSB BSCY,CEI 26 TPI TAP DIE set '3/8" tap AND die set @WM | eBay")
BSB BSCY,CEI 26 TPI TAP DIE set '3/8" tap AND die set @WM | eBay
Taps & Dies Archives - The Bonneville Shop
OMEX HSS CEI 26 TPI TAP DIE SET 1/4" TO 1/2" - 20 PCS SET - BSA NORTON TRIUMPH ARIEL : Amazon.co.uk: DIY & Tools
BRITISH TAP AND DIE SET BSW BSF BSCYCLE BA BSP CEI WHITWORTH ALL IN ONE SET - Amazon.com
