Keep-Nut Manual Drill Bit, 11.8mm with 5/8 inch-11 Thread for Stone and Quartz

Description

The Keep-Nut drill bit in 11.8mm is a manual diamond bit with a 5/8 inch-11 thread mount. It prepares correctly sized anchor holes in natural stone and engineered quartz so a compatible Keep-Nut insert can be pressed into place.

Why fabricators run this Keep-Nut drill bit

• 11.8mm cut diameter prepares the specified hole size for compatible Keep-Nut press-in anchors.
• Diamond cutting face is intended for granite, marble, and engineered quartz.
• 5/8 inch-11 thread mount fits standard core drill spindles and right-angle stone drills used in countertop shops.
• Manual format supports field and shop hole preparation with compatible 5/8 inch-11 tooling.

Stone fabricators and field installers run this bit to set the Keep-Nut panel anchoring system into countertops, backsplashes, vanity tops, and architectural stone work. Confirm the correct bit, hole depth, and installation tool for the substrate before drilling.

Common applications for the Keep-Nut drill bit

• Drilling 11.8mm anchor holes for Keep-Nut threaded inserts in granite, quartz, and engineered stone
• Sink and faucet hardware mounting where a stud anchor is needed in stone
• Panel-to-stone attachment using the Keep-Nut insert as the load transfer point
• Stone cladding, wall panel, and fixture mounts on countertops and vanities

Compatible materials

• Granite, marble, and other natural stone
• Quartz and engineered stone (Caesarstone, Silestone, Cambria, and similar)

Keep-Nut drill bit specifications

Ordering and support

Pair this bit with the correct press-in anchors, gauge, and setting tool from the Keep-Nut anchor collection. Review the Chemical Concepts Keep-Nut Sink Anchor Guide for substrate-specific bit selection and installation steps.

For help picking the right Keep-Nut anchor size and matching bit for the stone you are running, call (800) 220-1966 or email [email protected].