Found 4 alternatives for 1018TR by Keystone Electronics. Battery Holders Clips Contacts — Tape & Reel (TR),Cut Tape (CT).
BATT RETAINER COIN 23MM 1CEL SMD
BATT RETAIN COIN 24.5MM 1CEL SMD
BATT HOLDER CR123A 1 CELL SMD
BATT HOLDER COIN 20MM 1 CELL SMD