Unmilled are round cotters where you file your own flat. Do you have a worn out crank or bb axle on your cottered crank bike ?. If so these are ideal you can whack then straight in or grind them down to the exact size you need.
COTTER PINS 10 CYCLE BIKE BRAND NEW (Ten) cotterpins crank chainwheel
Thun Cottered 48 Teeth 1/8" Single Chainwheel set Chrome 170mm Arm Vintage Bike (Chainset with Cotterpins)
Specialist Bike Wheels PAIR (2) 27 x 1 ¼” (630) WHEEL RIMS 36 SPOKE CHROME STEEL FOR 60’s,70’s 80’s RACING BIKES, SPORTS CYCLES, VERY RARE & HARD TO FIND
Lambert PAIR VERY RARE VINTAGE CYCLE COTTERLESS CRANK CHAIN WHEEL BOLTS BRITISH TREAD 26tpi MADE IN 1970’s NOS
rare pair of vintage Adidas French cycling shoes 1970s - 1980s Size 10.5
PAIR NOS Vintage Azonic World Force Black Diamond 26" RIMS Disc Silver Very Rare