Overview Summary
The SHERWOOD S231T Long Series Slot Drills are manufactured from premium M35 Cobalt High Speed Steel (HSS-Co), delivering superior heat resistance and extended tool life compared to standard HSS cutters. Designed for machining tougher materials such as stainless steel and high-strength alloys, these slot drills provide reliable performance in demanding applications.
Featuring a 2-flute design and a 30° helix angle, they ensure smooth cutting, efficient chip evacuation, and excellent surface finish. The long series construction allows deeper reach for extended slotting and keyway operations.
Finished with a bright coating for added durability and corrosion resistance, SHERWOOD cobalt slot drills are ideal for professional machining environments requiring precision and toughness.
Key Features
- Premium M35 Cobalt High Speed Steel (HSS-Co) construction
- Long series design for deep reach applications
- 2 flute configuration for efficient slotting and plunging
- 30° helix angle for smooth cutting and chip evacuation
- Bright finish for enhanced durability and corrosion resistance
- Centre cutting capability for plunge operations
- Designed for machining tougher materials
- Manufactured to BS 122: Part 4: 1980
Multi-Variation Specification Table
| Model No. | Cutter Diameter | Overall Length | Flute Length |
|---|---|---|---|
| SHR0615862K | 8mm | 79.5mm | 19mm |
| SHR0615863L | 10mm | 82.5mm | 22mm |
| SHR0615866P | 16mm | 108mm | 32mm |
| SHR0615867Q | 18mm | 114.5mm | 35mm |
| SHR0615868R | 20mm |
120.5mm |
38mm |
General Technical Specifications
| Attribute | Value |
|---|---|
| Brand | SHERWOOD |
| Series | S231T |
| Material | Cobalt High Speed Steel (M35) |
| Finish | Bright |
| Flute Type | Helical |
| Helix Angle | 30° |
| Number of Flutes | 2 |
| Cutter Style | Square End |
| Length Type | Long Series |
| Milling Cutter Type | Slot Drill |
| Plunge Type | Centre Cutting |
| Coolant Delivery | External |
| Shank Type | Threaded |
| Shank Diameter Tolerance | h6 |
| Cutter Diameter Tolerance | e8 |
| System of Measurement | Metric |
| Standards | BS 122: Part 4: 1980 |
Typical Applications
- Milling keyways and slots
- Machining stainless steel and alloy steels
- Heavy-duty and high-temperature cutting operations
- Precision engineering and fabrication
Metric Tolerances (BS122 Reference)
- Up to 3.00mm: +0.013 / -0.033
-
3.00 to 6.00mm: +0.020 / -0.038
-
6.00 to 10.00mm: +0.025 / -0.046
-
10.00 to 18.00mm: +0.033 / -0.058
-
18.00 to 30.00mm: +0.041 / -0.071
- Above 30.00mm: +0.051 / -0.089
Package Content
- 1 x SHERWOOD HSS-Co Long Series Slot Drill (selected size)
Warranty
- Manufacturer’s standard warranty against defects in material and workmanship
Why Choose SHERWOOD
SHERWOOD tools are engineered for professionals who demand precision, durability, and consistent performance. With high-quality materials and strict manufacturing standards, SHERWOOD cutting tools provide longer tool life, improved efficiency, and dependable results across a wide range of machining applications.
Order by 4PM to get delivered next working day! We use 24 hours service with carriers in most cases so that you can get your order delivered on time.
Free delivery for total orders above RM500, otherwise additional charges costs are calculated at checkout based on your order’s weight and delivery location.
Further details please click here for more info.
Please notify us within 14 calendar days of receiving your product to request a free exchange or full refund, if eligible. We will cover all return shipping costs, and no restocking fees will apply in this case.
Requests made after 14 days may be accepted at our discretion and will be subject to a 10% restocking fee. Techno Tools & Equipment reserves the right to reject any return request found to be ineligible.
Further details please click here for more info.