The NextBolt NX3 and NX4 series use a Kwikset KW1 type key. You can create additional keys or multi-cut keys at a standard locksmith with key cutting equipment.
The Nextbolt NX5 series uses a Mul-T-Lock type key that cannot be cut using standard key cutting equipment. The NX5 uses a Mul-T-Lock version 006 type key. If you require additional keys please contact our offices and we will verify your purchase. Please have the code from your included key card ready when you call. You can contact our support dept. at 1(800)408-7101 ext. 102