Hillman M-12 Key Blank 137 (Single)

Durable Hillman key blank designed for house/office use and select USPS mailbox locks. Brass construction with an attractive nickel finish offers reliable performance and easy cutting at most hardware stores.

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Key Features:

• USPS Mailbox Compatibility: Fits select USPS mailbox locks and standard residential cylinders (model M-12, 137)
• Durable Build: Solid brass core for strength and long service life
• Nickel Finish: Bright, corrosion‑resistant plating for a clean, long‑lasting look
• Easy to Cut: Standard key blank that can be duplicated quickly at local hardware stores
• Single-Sided Design: Single cut edge for straightforward identification and use

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Specifications Table:

Specification	Details
Key Type	House/Office
Style	M-12
Key Krafter Number	137
Material	Brass
Finish/Color	Nickel-plated Silver
Head Type	Brass Head
Sides	Single
Number in Package	1
Model Compatibility	USPS Mailbox locks
Brand	Hillman
Package Height	3.8 in
Package Width	2.1 in
Package Length	2.3 in
Package Weight	0.1 lbs

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Frequently Asked Questions (FAQ):

Q: Can this key blank be used for USPS mailboxes?
A: It is compatible with some USPS mailbox locks designated for the M-12/137 profile; check your lock model before purchase.

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Q: What material is the key blank made from?
A: Brass with a nickel-plated finish.

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Q: Is this key pre-cut?
A: No, it is a blank and must be cut to match your existing key.

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Q: Can I get this key cut at any hardware store?
A: Yes, most hardware stores can duplicate this standard M-12/137 key profile.

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Q: How many keys are included?
A: One key blank per package.

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A Sleek, Polished Essential for Everyday Entry

This gleaming nickel-finished key blank brings a subtle sophistication to the practical ritual of coming home. I love the clean, graphic head that feels modern and tactile in hand. Pair it with a minimalist key ring or a leather fob for a refined, everyday carry. Consider it a small but essential luxury—quietly elevating your daily routine.

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Secure your space with a durable, easy-to-cut Hillman M-12 key blank—add it to your cart today.