Keyed Different Steel Padlock
Keyed different with a 9/32 inch shackle
- Item #:
- C3821
- Compliance:
-
- OSHA
Other configurations of this product
Note:
Keyed Different (KD): Each lock is opened by its own unique key which does not open any other lock in the set.

These Master Lock 3 Series Keyed Different Steel Padlocks are made from No. 3 reinforced laminated steel with a vinyl bumper, ideal for withstanding lots of abuse. They have a 1-9/16" (40 mm) wide body, a 9/32" (7 mm) diameter shackle, and are available with a 3/4" (19 mm), a 1-1/2" (38 mm), and a 2" (51 mm) high clearance. These steel padlocks are keyed different with a 4-pin tumbler cylinder and includes two keys.
9/32″ Shackle with ¾″ Shackle Height
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Material | Sku | Quantity/Price | |||
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Red Vinyl Bumper with Steel Body and Shackle | C3821-3RED | $9.95 | $9.55 | $9.15 | |
Yellow Vinyl Bumper with Steel Body and Shackle | C3822-3YLW | $9.95 | $9.55 | $9.15 | |
Black Vinyl Bumper with Steel Body and Shackle | C3823-3BLK | $9.95 | $9.55 | $9.15 | |
Blue Vinyl Bumper with Steel Body and Shackle | C3824-3BLU | $9.95 | $9.55 | $9.15 | |
Green Vinyl Bumper with Steel Body and Shackle | C3825-3GRN | $9.95 | $9.55 | $9.15 | |
White Vinyl Bumper with Steel Body and Shackle | C3826-3WHT | $9.95 | $9.55 | $9.15 |
9/32″ Shackle with 1½″ Shackle Height
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Material | Sku | Quantity/Price | |||
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Red Vinyl Bumper with Steel Body and Shackle | C3833-3LFRED | $11.25 | $10.80 | $10.35 | |
Yellow Vinyl Bumper with Steel Body and Shackle | C3834-3LFYLW | $11.25 | $10.80 | $10.35 | |
Black Vinyl Bumper with Steel Body and Shackle | C3835-3LFBLK | $11.25 | $10.80 | $10.35 | |
Blue Vinyl Bumper with Steel Body and Shackle | C3836-3LFBLU | $11.25 | $10.80 | $10.35 | |
Green Vinyl Bumper with Steel Body and Shackle | C3837-3LFGRN | $11.25 | $10.80 | $10.35 | |
White Vinyl Bumper with Steel Body and Shackle | C3838-3LFWHT | $11.25 | $10.80 | $10.35 |
9/32″ Shackle with 2″ Shackle Height
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Material | Sku | Quantity/Price | |||
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Red Vinyl Bumper with Steel Body and Shackle | C3845-3LHRED | $12.60 | $12.10 | $11.60 | |
Yellow Vinyl Bumper with Steel Body and Shackle | C3846-3LHYLW | $12.60 | $12.10 | $11.60 | |
Black Vinyl Bumper with Steel Body and Shackle | C3847-3LHBLK | $12.60 | $12.10 | $11.60 | |
Blue Vinyl Bumper with Steel Body and Shackle | C3848-3LHBLU | $12.60 | $12.10 | $11.60 | |
Green Vinyl Bumper with Steel Body and Shackle | C3849-3LHGRN | $12.60 | $12.10 | $11.60 | |
White Vinyl Bumper with Steel Body and Shackle | C3850-3LHWHT | $12.60 | $12.10 | $11.60 |
Special Freight Arrangement:
Due to the size of this product, freight shipping will be required. You may contact our customer service team for a quote or you can place your order and a customer service representative will contact you about freight shipping charges.
If you would like to use your own freight carrier, please include your freight carrier account in the special instructions box at the bottom of the checkout page before placing your order. A customer service representative will be in contact with you if there are any questions.
Phone: 800-274-6271
Fax: 800-279-6897
Phone: 800-274-6271
Fax: 800-279-6897
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Product Image | ![]() |
Master Lock Part#: | 3 SERIES |
Colors: | Red, Yellow, Black, Blue, Green, White |
Dimensions of A (Shackle Thickness): |
9/32″ (7mm) |
Dimensions of B (Shackle Clearance): |
Variable Heights 3/4″ (19mm) | 1½″ (38mm) | 2″ (51mm) |
Dimensions of C (Shackle Curve): |
5/8″ (20mm) |
Body Width: | 1-9/16″ (40mm) |
Key Type: | Keyed Different |
Number of Keys Included: | 2 keys |
Padlock Weight: | 0.45 lb |
Material: | No. 3 Reinforced laminated steel with colored vinyl bumper |
Benefits: | Ideal when locks may be subjected to physical abuse |
Keyed different 4-pin tumbler cylinder | |
Lockout Function: | Effectively secures a lockout device to prevent it from being removed |
OSHA 1910.147(b) Compliance: | Capable of being locked out. An energy isolating device is capable of being locked out if it has a hasp or other means of attachment to which, or through which, a lock can be affixed, or it has a locking mechanism built into it. Other energy isolating devices are capable of being locked out, if lockout can be achieved without the need to dismantle, rebuild, or replace the energy isolating device or permanently alter its energy control capability. |
Key Charting System | ||
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Multiple keying options | ||
Keyed Different (KD) |
Each lock is opened by its own unique key which does not open any other lock in the set – complying with the "one employee, one lock, one key" mantra. |
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Keyed Alike (KA) |
All padlocks in the set are opened by the same key so only one key is necessary to open numerous padlocks – for employees who need many locks, they still only have one key. |
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