Master Lock Hidden Shackle Padlock 3/4 in KA 10G017
Concealed-shackle padlock with a boron shackle, five-pin cylinder keyed alike to 10G017, and a laminated steel body
- Product typeConcealed Shackle Weather Resistant
- Concealed shackle resists bolt-cutters with 3/8 in boron alloy
- Weather-resistant laminated steel body withstands outdoor exposure
- Five-pin Master K6000 cylinder provides high-security pick resistance
- Keyed-alike 10G017 simplifies multi-lock management
- Rekeyable design allows cylinder changes without replacing lock
Concealed Shackle Padlock
This Master Lock padlock features a hidden shackle design that protects the shackle from bolt cutters and saw attacks. The 5-pin cylinder uses the Master K6000 keyway and is keyed alike to number 10G017 for convenient single-key access across multiple locks. A laminated steel body provides structural strength while the boron shackle resists cutting. This weather-resistant unit suits high-security outdoor applications.
Fits Standard Hasp and Chain Setups
The rectangular body measures 2 13/16 inches high by 2 3/8 inches wide with a 1 3/16 inch thickness. A 3/8 inch diameter boron shackle offers 3/4 inch vertical clearance and 7/8 inch horizontal clearance inside the concealed shroud. The lock requires a standard hasp, chain link, or staple with holes large enough for the shackle diameter. No control key registration is needed and the cylinder is rekeyable by a locksmith if keying requirements change later.
For Users Needing Keyed-Alike Outdoor Security
This padlock serves buyers who want multiple locks operated by one key code 10G017 for gates, sheds, or storage units. It is not suited for buyers who need unique key codes per lock or a master-keyed hierarchy across different key numbers. The lack of interchangeable core limits rapid rekeying in the field. Users requiring a weatherproof rating beyond general resistance or a non-rekeyable high-security cylinder should consider other options.
How it compares
Measured against everything we stock in Door Lock Sets & Deadbolts, at today’s prices. Recalculated every night.
- Price $37.99
- Cheaper than about 58% of the 2,145 comparable items (median $55.99).
Specifications
| Product | |
|---|---|
| Brand name | Master Lock |
| Product type | Concealed Shackle Weather Resistant |
Questions about this item
How many pins does the 5-pin cylinder resist before it becomes the limiting factor under sustained attack?
The lock uses a 5-pin Master K6000 cylinder; its pin count is the first mechanical limit an attacker meets during prolonged manipulation.
Does the laminated steel body and boron shackle generate noticeable heat or noise when the lock stays locked outdoors all day?
No — the solid steel body and boron shackle are passive components; they produce no heat, sound or power draw during continuous outdoor exposure.
Which key number must I already have for this KA padlock to operate?
The cylinder is keyed alike to key number 10G017; only that key or a duplicate cut to the same code will turn the plug.
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