Is it 8mm? I've seen 9mm front and 10mm rear thru QRs (they're on my bike) but not 8mm. Even then I've only seen QR, mine are cheapo superstar, DT do some pricey RWS thru bolts which aren't strictly QR but have a lever that turns with a pull out release ratchet mechanism to line up the lever and get more force on the clamp, you might be able to modify it to pull the end right off possibly but it'll be a lot of money for not much and I'm not sure it'll work.
Is it 8mm? I've seen 9mm front and 10mm rear thru QRs (they're on my bike) but not 8mm. Even then I've only seen QR, mine are cheapo superstar, DT do some pricey RWS thru bolts which aren't strictly QR but have a lever that turns with a pull out release ratchet mechanism to line up the lever and get more force on the clamp, you might be able to modify it to pull the end right off possibly but it'll be a lot of money for not much and I'm not sure it'll work.