Kwikset 86129-008 Thick Door Screw Pack 660 870

Product Description

The KWIKSET 86129-008 is a thick door screw pack designed to provide the correct fastener length when installing Kwikset 660 or 870 deadbolts on doors with greater-than-standard thickness. Standard screw packs included with most locksets are sized for typical door thickness. When a door exceeds that range, the included screws fall short and the lock cannot seat properly. This replacement screw pack resolves that fitment issue and supports a secure, code-compliant installation. The pack ships as a single unit and is intended for use with the US11P Venetian Bronze finish and the 514 Matte Black finish variants of the 660 and 870 series. Weight is 0.05 pounds.

This screw pack is used in residential door hardware applications where thick doors are present, such as solid-core exterior doors, doors with added weatherstripping buildup, or replacement door slabs that run deeper than the original. A licensed locksmith or skilled installer handling deadbolt replacements or new installations on thick door slabs would reach for this pack when the standard hardware is insufficient. It is finish-matched to US11P Venetian Bronze and 514 Matte Black Kwikset product lines.

Key Features

• Sized specifically for thick door installations with Kwikset 660 and 870 deadbolts
• Compatible with US11P Venetian Bronze and 514 Matte Black finish variants
• Sold as a single pack (EA), no minimum order quantity required
• Compact form factor at 2.5 x 1.5 x 0.25 inches
• Lightweight at 0.05 pounds — minimal shipping impact for service truck stock

Compatibility

Designed for use with the Kwikset 660 and 870 deadbolt series in US11P Venetian Bronze and 514 Matte Black finishes on thick door applications.

Installation Notes

Installation should be performed by a qualified locksmith or experienced installer familiar with residential deadbolt hardware. Before beginning, ensure the door is stable and the existing lock hardware has been fully removed. Use a Phillips screwdriver or appropriate bit driver; do not overtighten fasteners, as this can strip the lock body or door material. Verify door thickness falls within the range specified in the Kwikset 660 or 870 installation guide before selecting screw length.