Verified 3/8-Inch Radius
Exact Item Code 838.317.11 combines a 3/8-inch radius, 5/8-inch cutting length, and 1-1/4-inch diameter in the current official variation table.
CMT Orange Tools Roundover Router Bit 1-1/4-Inch Diameter × 5/8-Inch Cutting Length × 3/8-Inch Radius × 1/4-Inch Shank
CA$999.99
In stock
SKU
838.317.11
Product Type
HW Roundover Router Bit with Bearing
Family / Series
CMT 7/8/938 Roundover Router Bits
Radius / Diameter
3/8-inch radius · 1-1/4-inch cutting diameter
Cutting Length
5/8 inch
Shank / Overall
1/4-inch shank · 2-1/4-inch overall length
Geometry
Z2 · Bearing-guided roundover profile
Cutting Material
HW carbide-tipped edges · FATIGUE-PROOF® steel body
Design
Anti-kickback geometry · CMT orange non-stick coating
Bearing / Service
Bearing 791.003.00 · Shield 990.423.00
3/8-Inch Radius
Roundover Router Bit
Bearing-Guided Roundover Bit
CMT 838.317.11 is the exact 3/8-inch-radius variant in the 7/8/938 roundover family. The current official row combines a 5/8-inch cutting length, 1-1/4-inch cutting diameter, 2-1/4-inch overall length, 1/4-inch shank, carbide-tipped cutting edges, and a serviceable guide-bearing system for clean roundover edge profiles in compatible woodworking applications.
3/8 inProfile Radius (R)
5/8 inCutting Length (I)
1-1/4 inCutting Diameter (D)
1/4 inShank Diameter (S)
Bearing-Guided Roundover Bit
A bearing-guided, double-edge carbide-tipped roundover bit built on a FATIGUE-PROOF® steel body. The exact Item Code is 838.317.11; the family/series reference is 7/8/938. The 3/8-inch radius creates a versatile, smooth edge profile.
CMT Orange ToolsHW Carbide1/4-Inch ShankSKU 838.317.11
For compatible routing equipment accepting a 1/4-inch shank and providing suitable guarding, workholding, bearing clearance, and cutter clearance for the 1-1/4-inch diameter. Confirm collet condition and all machine and tool operating limits.
Main Product Description
CMT 838.317.11 is one exact Item Code within the official 7/8/938 roundover-router-bit family. The current verified row specifies a 3/8-inch profile radius, 5/8-inch cutting length, 1-1/4-inch cutting diameter, 2-1/4-inch overall length, and 1/4-inch shank.
CMT builds the family with FATIGUE-PROOF® steel bodies and carbide-tipped cutting edges. The bearing-guided geometry forms a clean roundover profile for furniture edges, picture frames, tables, countertops, and other compatible decorative woodworking applications.
The official row identifies bearing 791.003.00, bearing shield 990.423.00, screw 990.058.00, and hex key 991.057.00 as the matching service components. Correct Item Code selection, collet fit, bearing condition, cutter clearance, workholding, and equipment limits remain essential.
Technical Specifications
Series 7/8/938 · SKU 838.317.11
- CMT Orange Tools
- HW Roundover Router Bit with Bearing
- 838.317.11
- 7/8/938 — Roundover Router Bits
- 3/8 inch
- 5/8 inch
- 1-1/4 inches
- 2-1/4 inches
- 1/4 inch
- 2
- HW Carbide-Tipped
- FATIGUE-PROOF® Steel
- Design: Anti-Kickback, Bearing-Guided · Surface Treatment: CMT Orange Non-Stick Coating · Guide Bearing: 791.003.00 · 1/2-Inch Diameter · Bearing Shield: 990.423.00 · Service Screw: 990.058.00 · Hex Key: 991.057.00
- For compatible routing equipment accepting a 1/4-inch shank and providing suitable guarding, workholding, bearing clearance, and cutter clearance for the 1-1/4-inch diameter. Confirm collet condition and all machine and tool operating limits.
Best Fit Applications
Edge Rounding
Table Edge Profiles
Countertop Edge Profiles
Picture Frame Edges
Furniture Edge Profiles
Product Highlights
HW Roundover Geometry
Carbide-tipped cutting edges and bearing guidance create the clean, controlled roundover profile specified for this variant.
Serviceable Bearing System
CMT publishes exact matching codes for the guide bearing, shield, screw, and hex key used with this variant.
Compatibility & Installation Notes
Confirm exact Item Code 838.317.11 and a clean compatible 1/4-inch collet; do not select by the 7/8/938 family heading alone. Verify correct bearing assembly, adequate clearance for the 1-1/4-inch cutting diameter, suitable guarding and workholding, and all applicable router and tool operating limits before use.
Versatile Edge Roundover Profiling in a Verified 3/8-Inch Format
CMT 838.317.11 combines a 3/8-inch radius, 5/8-inch cutting length, 1-1/4-inch diameter, 2-1/4-inch overall length, 1/4-inch shank, and carbide-tipped bearing-guided geometry.
Accurate Item Code selection, collet fit, bearing condition, cutter clearance, guarding, workholding, and equipment limits are essential to consistent edge profiling.