Keeney K5410 3.5-in Stainless Steel Leakproof Turn-to-Seal Kitchen Sink Strainer with Basket Vinyl Molding A: They are designed for

A: They are designed for 3/4 inch bolts with a 3/4-16 fine thread

you can have confidence in your choice

Q: Do they require washers

Delivers better thermal performance and helps reduce noise for a more comfortable workspace

Softly Weathered Gray

Keeney K5410 3.5-in Stainless Steel Leakproof Turn-to-Seal Kitchen Sink Strainer with Basket Vinyl Molding A: They are designed for3. 5 in Stainless Steel Kitchen Sink Strainer with Basket This Keeney K5410 kitchen sink strainer features a durable stainless steel body and rust proof basket designed for standard 3. 5 in sink drains. The turn to seal post provides a positive, leak proof seal and installs easily with included nuts, washers, and ground joint stopper. Key Features: Leak Proof Seal: Turn to seal post ensures positive, drip free closure Durable Construction: Stainless