CMT Short-Series Pattern Router Bit with Top Bearing 5/16-Inch Diameter x 1-Inch Cutting Length x 1/4-Inch Shank
HWM Z2
Short-Series Pattern Router Bit
CMT 811.081.11B is the exact 5/16-inch Z2 variant in the 7/8/911B short-series pattern-router-bit family. The verified USA and Canada row specifies a 5/16-inch cutting diameter, 1-inch cutting length, 2-3/4-inch overall length, 1/4-inch shank, two HWM cutting edges, right-hand rotation, and a top-bearing pattern configuration.
Main Product Description
CMT 811.081.11B is one exact Item Code within the official 7/8/911B pattern-router-bits, short-series family. The verified USA and Canada row specifies a 5/16-inch cutting diameter, 1-inch cutting length, 2-3/4-inch overall length, 1/4-inch shank, two cutting edges, HWM active cutting material, and right-hand rotation.
CMT describes the pattern-bit family as carbide tipped and equipped with a top bearing. The exact 811.081.11B row is a Z2 HWM configuration, and CMT specifically notes that this SKU requires a bearing slightly larger than its 5/16-inch cutting diameter.
CMT positions the family for pattern and template-based work associated with cabinet components, furniture components, signs, and other creative profiles. The full B-suffix Item Code, top-bearing configuration, and exact dimensional row distinguish this product from the unsuffixed 811.081.11 straight bit.
Best Fit Applications
Product Highlights
Verified 5/16-Inch Z2 Pattern Variant
Exact Item Code 811.081.11B combines a 5/16-inch diameter, 1-inch cutting length, and 1/4-inch shank with two edges.
Top-Bearing Pattern Configuration
CMT equips this family with a top bearing and specifies a bearing slightly larger than the cutting diameter for this exact SKU.
HWM Z2 Cutting Geometry
The official row identifies two HWM carbide cutting edges and right-hand rotation in the short-series pattern-bit format.
Compatibility & Safety Notes
This cutting tool is intended for trained adult or professional shop personnel using compatible, properly guarded machinery. Confirm exact Item Code 811.081.11B, 1/4-inch shank compatibility, top-bearing clearance, guarding, and applicable manufacturer limits against the router and CMT documentation. Do not substitute the unsuffixed 811.081.11 or select by a nearby family heading alone.
Verified Short-Series Pattern Routing in a Top-Bearing Z2 Format
CMT 811.081.11B combines a 5/16-inch cutting diameter, 1-inch cutting length, 2-3/4-inch overall length, 1/4-inch shank, Z2 HWM carbide geometry, right-hand rotation, and a top bearing.
The verified configuration belongs to CMT's 7/8/911B short-series pattern-bit family, with the full B-suffix Item Code and bearing note controlling product identification and compatibility.