Adapter

Handle Adapter Use this handle adapter to convert a 5/16" x 20PT cartridge to allow for the installation of 3/8" x 16PT spline-type handles. These are a quick install as they simply fit over the existing part. Features: Converts from...

Extension Adapter Use this handle adapter to provide additional length for Designer Hardware 3/8"x 16PT spline-type handles. These stem extension are a quick install as they simply fit over the existing part. Features: Valve Stem Extensions 2-3/8" length Fits Stems...

Vintage Adapter for CC2661 To help improve the installation, design, and functionality of your household appliances, Designer Hardware carries a vast line of adapters for both kitchen and bathroom products. Features: Fabricated from High Quality Brass Material 3/8" IPS Connection...

Brass Bonnet Nut To help improve the installation, design, and functionality of your household appliances, Designer Hardware carries a vast line of adapters for both kitchen and bathroom products. This Bonnet Nut fits Designer Hardware KS249x and KS261x series faucet,...

Cold Handle Adapter Use this handle adapter to convert a "D" shaped cartridge to allow for the installation of 3/8" x 16PT spline-type handles. These are a quick install as they simply fit over the existing part. Features: Converts "D"...

Extension Thread for KS3121 & KS7121 Series Spout With the new trend of thicker countertops, extension nuts are needed to compensate for the added thickness when installing product. Use this extension nut for a secure install. Features: Extension for Spout...

Vintage 1/2-Inch IPS Brass Adapter Designed to convert 3/4" FIP to 1/2" FIP, it's required in cases where deck adapters are needed. It's a perfect coupling between supply lines and deck elbows. Features: Solid Brass Construction for Durability and Reliability...

Zinc Alloy Bonnet Nut To help improve the installation, design, and functionality of your household appliances, Designer Hardware carries a vast line of adapters for both kitchen and bathroom products. This Bonnet Nut fits Designer Hardware KB11x, KB16x, KB27x, KB260x,...

Handle Adapter Use this handle adapter to convert a 3/8" x 16PT spline-type cartridge to allow for the 3/8" installation. These are a quick install as they simply fit over the existing part. Features: Fabricated from high quality metal material...

Zinc Alloy Bonnet Nut To help improve the installation, design, and functionality of your household appliances, Designer Hardware carries a vast line of adapters for both kitchen and bathroom products. This Bonnet Nut fits Designer Hardware FB111, FB121, FB213x, FB214x,...

Zinc Alloy Bonnet Nut To help improve the installation, design, and functionality of your household appliances, Designer Hardware carries a vast line of adapters for both kitchen and bathroom products. This Bonnet Nut fits Designer Hardware FB101, FB20x, FB260x, FB464x,...

Zinc Alloy Bonnet Nut To help improve the installation, design, and functionality of your household appliances, Designer Hardware carries a vast line of adapters for both kitchen and bathroom products. This Bonnet Nut fits Designer Hardware FB62x, FB562x, FB862x, KB25x,...

Zinc Alloy Bonnet Nut To help improve the installation, design, and functionality of your household appliances, Designer Hardware carries a vast line of adapters for both kitchen and bathroom products. This Bonnet Nut fits Designer Hardware FSY360x, FSY561x, FSY761x, KB111x,...

1"-24 UNS Bonnet Nut, KB1791 & KB1971 Series To help improve the installation, design, and functionality of your household appliances, Designer Hardware carries a vast line of adapters for both kitchen and bathroom products. This 1"-24 UNS Bonnet Nut fits...

Kingston 1/2-Inch F X 1/2-Inch M Anti Flood Brass Adapter for Supply Line An ounce of prevention is worth a pound of cure. With this adapter, the risks of possible flooding and water damage are diminished, giving you peace of...

Handle Adapter Use this handle adapter to convert a 3/16" x 16PT cartridge to allow for the installation of 3/8" x 30PT spline-type handles. These are a quick install as they simply fit over the existing part. Features: ADA Compliant...

Handle Adapter Use this handle adapter to provide additional length for Designer Hardware 3/8"x 16PT spline-type handles. These stem extension are a quick install as they simply fit over the existing part. This extension adapter perticularlly designed for Designer Hardware...

11.5 mm Bonnet Nut, FSC1XXX, FSC8XXX, KB9XX, KC7XXX Series To help improve the installation, design, and functionality of your household appliances, Designer Hardware carries a vast line of adapters for both kitchen and bathroom products. This Bonnet Nut fits Designer...

Brass Bonnet Nut To help improve the installation, design, and functionality of your household appliances, Designer Hardware carries a vast line of adapters for both kitchen and bathroom products. This Bonnet Nut fits Designer Hardware FKS825x and KS826x series faucets,...

Brass Adapter With the new trend of thicker countertops, extension nuts are needed to compensate for the added thickness when installing product. Use this extension nut for a secure install. Features: Solid brass construction for long-lasting durability Easy to install...

Handle Adapter Use this handle adapter to convert a "D" shaped cartridge to allow for the installation of spline-type handles. These are a quick install as they simply fit over the existing part. Features: Constructed of zinc alloy for long-lasting...

Plastic Adaptor To help improve the installation, design, and functionality of your household appliances, Designer Hardware carries a vast line of adapters for both kitchen and bathroom products. Features: Fabricated from plastic 3/4" height Corrosion-resistant Designed for long-lasting durability Downloads:...

Cold Side Plastic Adaptor To help improve the installation, design, and functionality of your household appliances, Designer Hardware carries a vast line of adapters for both kitchen and bathroom products. Features: Fabricated from plastic 3/4" height Corrosion-resistant Designed for long-lasting...

1/2-Inch M X 1/2-Inch F Anti Flood Brass Adapter for Supply Line An ounce of prevention is worth a pound of cure. With this adapter, the risks of possible flooding and water damage are diminished, giving you peace of mind....