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High-Speed Steel Cutting Kits For Lathes - 3/8'''' Cut-Off Kit - High-Speed Steel Cutting 3/8'''' Cutoff Groover Rh Kit
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$109.99
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SKU: 080000841
Overview
This kit is designed for lathe work that calls for controlled cut-off, grooving, turning, threading, and profiling with hardened steel toolholders and high-speed steel inserts. It is suited to slow-speed work and precision interrupted cuts, with the inserts described as providing a smooth finish on stainless steel, Inconel, Monel, exotic metals, and plastics. The set includes a .375" square bar, multiple groovers in different widths, screws, and a T-9 wrench, giving the user a compact setup for a range of shop tasks. For hunters and outdoor users who maintain or modify metal components, it offers a focused tooling solution rather than a general-purpose accessory.
Why Hunters Choose the Brownells
Includes Toolholders
Inserts for turning, threading, profiling,
T-15 High
Speed steel inserts are hardened
Slow-speed Performance
Precision interrupted cuts
Works Stainless
Stainless steel, Inconel, Monel, exotic
Square Shank
Toolholders are CNC machined from
Key Features
- Includes hardened steel toolholders and high-speed steel inserts for turning, threading, profiling, and cut-off work.
- T-15 HSS inserts are hardened to Rc 65-67 and finish ground on all sides.
- Designed for slow-speed performance, precision interrupted cuts, and a smooth finish on stainless steel, Inconel, Monel, exotic metals, and plastics.
- Square shank toolholders and boring bars are CNC machined from 4140/4142 steel bar stock.
- Toolholders are hardened to Rc 48-50 and black oxide coated to resist corrosion.
- Includes one 3/8-inch square bar, 4.5-inch OAL, plus groovers, screws, and a T-9 wrench.
Best Used For
- For machinists needing a cut-off and grooving kit for lathe work on stainless steel or exotic metals.
- For users doing precision interrupted cuts where slow-speed control and a smooth finish matter.
- For shops that want a square-shank toolholder kit with included inserts, screws, and wrench.
- For turning, threading, profiling, and cut-off tasks using a hardened steel toolholder system.
Specifications
| Applications | Turning, threading, profiling, and cut-off work |
|---|---|
| Bar Overall Length | 4.5 in |
| Bar Shank | 0.375 in |
| Blade Finish | Black oxide coated |
| Compatible Materials | Stainless steel, Inconel, Monel, exotic metals, and plastics |
| Groover Size 1 | 1/16 in (.062 in) |
| Groover Size 2 | 1/32 in (.031 in) |
| Groover Size 3 | 1/64 in (.015 in) |
| Included Screws | Two IS 3007 screws |
| Included Wrench | T-9 wrench |
| Insert Hardness | Rc 65-67 |
| Insert Material | T-15 High Speed Steel (HSS) |
| Kit Type | Cut-Off Kit |
| Tool Type | Tool Holders & Inserts |
| Toolholder Hardness | Rc 48-50 |
| Toolholder Material | 4140/4142 steel bar stock |
Pros
- Includes toolholders and inserts for turning, threading, profiling, and cut-off work.
- T-15 high speed steel inserts are hardened to Rc 65-67 and finish ground.
- Designed for slow-speed performance and precision interrupted cuts.
- Works with stainless steel, Inconel, Monel, exotic metals, and plastics.
- Square shank toolholders are CNC machined from 4140/4142 steel and black oxide coated.
- Kit includes multiple groovers, screws, and a T-9 wrench for setup.
Considerations & Trade-offs
- Designed for slow-speed cutting work, so it may not be the right choice if your setup is optimized for higher-speed operations.
- The kit is focused on turning, threading, profiling, and cut-off tasks, which makes it specialized rather than a general-purpose lathe accessory.
- It includes multiple groover sizes, but the set is still limited to the inserts and holder components listed in the kit.
- The toolholders are black oxide coated for corrosion resistance, but that finish is not a substitute for routine care and storage.
Suggested Comparisons
- Lathe tool holder and insert kits
- Cut-off and grooving tool kits
- Turning and threading tooling kits
- Boring bar and accessory kits
Suggested Accessories
- Toolholder inserts
- Replacement screws
- Wrench set
- Cut-off and grooving accessories
Frequently Asked Questions
What is included in this cut-off kit?
The kit includes one .375" square bar toolholder, five T-15 HSS inserts, two IS 3007 screws, and a T-9 wrench. The inserts are listed as two 1/16" groovers (.062"), two 1/32" groovers (.031"), and one 1/64" groover (.015").
What type of work is this kit intended for?
According to the product description, the tooling kit is made for turning, threading, profiling, and cut-off work.
What materials are the inserts made from?
The inserts are T-15 High Speed Steel (HSS) and are hardened to Rc 65-67, then finish ground on all sides.
What is the toolholder made from?
The square shank toolholders and boring bars are CNC machined from 4140/4142 steel bar stock, hardened to Rc 48-50, and black oxide coated.
What materials does the description say this kit can be used on?
The description says the inserts deliver slow-speed performance, precision interrupted cuts, and a smooth finish on stainless steel, Inconel, Monel, exotic metals, and plastics. It does not provide more detailed performance data beyond that.