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Kwikset 85178-001 Box of 50 SC1 5 Pin Key Blanks
The Kwikset 85178-001 is a box of 50 uncut SC1 key blanks. While Kwikset is a common key manufacturer, the SC1 keyway is primarily associated with Schlage locks. Kwikset manufactured these specific key blanks for use with their SmartKey locks, which are designed to accept both Kwikset and Schlage SC1 keys.
- Keyway: SC1, which is the standard keyway for Schlage locks.
- Pin Count: 5-pin
- Quantity: 50 key blanks per box
Manufacturer Resources
Product Specs
- Commercial/Residential:
- Residential
- Product Group:
- Parts and Accessories
- Product Subgroup:
- Parts and Accessories
- Product Type:
- Key Blanks
- Subcategory:
- Key Blanks and Accessories
- No Of Pins:
- 5-Pins
- Keyway Profile:
- SC1 Keyway
- Product Category:
- Parts and Accessories
- Department:
- Door Hardware
Kwikset 85178-001 – Frequently Asked Questions
1) Will Kwikset 85178-001 SC1 key blanks work in a Schlage lock?
SC1 is the standard Schlage keyway, so these blanks cut to a Schlage cylinder that uses the SC1 profile. They're 5-pin blanks, which is what a standard Schlage residential cylinder takes. Kwikset made them for SmartKey locks, which accept both Kwikset and Schlage SC1 keys, but the blank itself is an SC1 profile and cuts for any SC1 keyway.
2) Are these Kwikset 85178-001 key blanks already cut, or do I need a key machine?
Uncut. All 50 blanks in the box are blanks, so you need a key duplicator or code machine to cut them. That's the point of buying by the box: a locksmith or a property manager with an in-house machine keeps stock on hand for rekeys and tenant turnovers instead of ordering cut keys one at a time.
3) I have Kwikset SmartKey deadbolts on my rentals - can I key them to SC1 and use these blanks?
Yes. Kwikset SmartKey cylinders are built to accept both Kwikset and Schlage SC1 keys, so an SC1 blank is a legitimate key for them. That's useful if a building already runs Schlage SC1 on some doors and Kwikset SmartKey on others: you can standardize the key in the tenant's hand on one profile across both.
4) Will a 5-pin SC1 blank work on a 6-pin cylinder?
No. A 5-pin blank is cut for five chambers, and a 6-pin cylinder needs a blank with the length and shoulder position to reach the sixth. The Kwikset 85178-001 blanks are 5-pin, which matches standard residential Schlage and Kwikset SmartKey cylinders. If you're working on a 6-pin commercial cylinder, you need a 6-pin SC1 blank instead.
5) Do I need Kwikset KW1 blanks or SC1 blanks for my Kwikset locks?
Depends on how the lock is keyed, not on the brand on the face. Most Kwikset cylinders run the KW1 keyway. The SC1 profile on the 85178-001 blanks is the Schlage keyway, and Kwikset made these specifically for SmartKey locks, which take both Kwikset and Schlage SC1 keys. Pull an existing key and check the profile before you cut fifty of the wrong thing.
6) Are these SC1 blanks meant for residential or commercial door hardware?
Residential is what these are specified for. That fits the 5-pin SC1 profile, which is the standard on house and apartment locks. If you're keying commercial cylinders in a school or hospital, you're usually into 6-pin and often a restricted keyway, and these won't serve that.
7) What's an alternative if I only need a few SC1 key blanks instead of a box of 50?
The Emtek MS4-KEYBLKC is a Schlage C keyway blank, the same SC1 profile, and it's sold as an individual blank rather than in a 50-count box. Same cut, different quantity: use the Emtek when you need one or two for a single opening, the Kwikset 85178-001 box when you're stocking a bench or rekeying a building.
8) Is the Emtek Schlage C key blank the same thing as a Kwikset SC1 blank, or will it not work on a SmartKey lock?
Schlage C and SC1 name the same keyway profile, so the Emtek MS4-KEYBLKC and the Kwikset 85178-001 share a blank profile. The Kwikset 85178-001 blanks are 5-pin and were made for Kwikset SmartKey locks, which are designed to accept both Kwikset and Schlage SC1 keys. A locksmith cutting for a SmartKey cylinder should confirm the pin count on the blank being substituted matches the 5-pin cut depth chart being used.
9) For a property manager rekeying a whole building on one keyway, which SC1 blank makes more sense to stock?
The Kwikset 85178-001 is packaged as 50 uncut SC1 5-pin blanks in a box, which suits cutting keys for a full set of doors and handing spares to tenants and staff. The Emtek MS4-KEYBLKC covers the same Schlage C keyway for a single opening. Both cut to the same profile, so a building standardized on SC1 can hold the 50-count box as the working stock and still take the Emtek blank on the same system.
10) How many SC1 key blanks come in the Kwikset 85178-001 box?
Fifty per box, all 5-pin SC1. For a property manager, that's roughly enough to rekey a small building and still hand out spares; for a shop, it's bench stock. Everything in the box is the same profile, so there's no sorting.
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Does the Kwikset 85178-001 come with a warranty?
Absolutely. The Kwikset 85178-001 is backed by a manufacturer’s warranty.
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