Tool Bit Sharpening Training Set

Six presharpened 1/4" high speed steel tool bits
Five unsharpened 1/4" tool bits
Sharpening instructions

Part Number: 4516
Weight: 0.55 lb

Price: $48.95

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Learn how to grind tool bits with this set. The presharpened tool bits show you how the finished product should look. The unsharpened tool bits give you plenty of practice.

The presharpened tool bits are ground in the same manner as hand-ground tool bits so they provide an example of how to properly grind tool bits.

All the tool bits are M2 high speed steel. M2 is a high speed steel in the tungsten-molybdenum series. The carbides in it are small and evenly distributed. It has high wear resistance. It is used to manufacture a variety of tools, such as drill bits, taps and reamers.

Chris' Tips

Chris' Tips
Here's how to sharpen lathe tool bits.

We carry both imported tool bits made of M2 high speed steel and American-made tool bits made of T-15 high speed steel from the A. R. Warner Co.

ll-purpose grade with notable toughness. Good wear resistance and hot hardness qualities.

Typical Chemistry
• Carbon 0.85%
• Manganese 0.30%
• Silicon 0.30%
• Chromium 4.15%
• Vanadium 1.95%
• Tungsten 6.40%
• Molybdenum 5.00%
• Sulfur 0.03% max

Typical Hardness
• Rc 62-65

Compatibility

Compatibility

This product works with lathes with a 0.25 to 0.38 inch tool bit size including:

Sherline 4400/4410 3.5x17 Lathe
Sherline 4000/4100 3.5x8 Lathe
Grizzly G0745 4x6 Micro Metal Lathe
Harbor Freight 95012 Central Machinery 4x5 Micro Lathe
SIEG C0 4x5 Lathe
Proxxon PD 230/E 4.4x9 Lathe
Taig Micro Lathe II 4x9 Micro Lathe
Grizzly M1015 Shop Fox 6x10 Micro Lathe
Micro-Mark 85181 MicroLux 6x10 Micro Lathe
SIEG C1 6x10 Micro Lathe
Woodstock International M1015 Shop Fox 6x10 Micro Lathe
Enco 110-0803 Enco 7x10 Mini Lathe
Harbor Freight 93212 Central Machinery 7x10 Mini Lathe
Harbor Freight 33684 Central Machinery 7x10 Mini Lathe
MSC 0192857 Enco 7x10 Mini Lathe
Bolton CQ9318 7x12 Mini Lathe
Busy Bee Tools CX704 Craftex 7x12 Mini Lathe
Cummins (Tools Now) 5278 7x12 Mini Lathe
Eastwood 32497 7x12 Mini Lathe
Grizzly G8688 7x12 Mini Metal Lathe
Harbor Freight 93799 Central Machinery 7x12 Mini Lathe
Homier 03911 Speedway 7x12 Mini Bench Metal Lathe
Northern Tool 49656 KLUTCH 7x12 Mini Lathe
Princess Auto 8507659 Powerfist 7x12 Mini Lathe
SIEG C2 7x12 Mini Lathe
Tormach 30689 7x12 Duality Lathe
Travers Tools OT222300 OTMT 7x12 Mini Lathe
Warco 3005 7x12 Mini Lathe (Imperial)
Warco 3004 7x12 Mini Lathe (Metric)
WEN 3455 WEN 7x12 Mini Lathe
Micro-Mark 82500 MicroLux 7x12 Mini Lathe
LittleMachineShop.com 4200 HiTorque 7x12 Deluxe Mini Lathe
LittleMachineShop.com 4100 HiTorque 7x12 Mini Lathe
SIEG SC2 7x12 Mini Lathe
Micro-Mark 82710 MicroLux 7x14 Mini Lathe
LittleMachineShop.com 4959 SIEG 7x14 Mini Lathe
SIEG C3 7x14 Mini Lathe
Big Dog BD-0618x300 7x14 Mini Lathe
Big Dog BD-0618Ax300 7x14 Mini Lathe
Warco 4800-350 7x14 Mini Lathe (Imperial)
Warco 4820-350 7x14 Mini Lathe (Metric)
Grizzly G0765 7x14 Mini Lathe
Micro-Mark 84631 MicroLux 7x16 Mini Lathe
LittleMachineShop.com 7350 HiTorque 7x16 Mini Lathe
LittleMachineShop.com 5200 HiTorque 7x16 Mini Lathe
LittleMachineShop.com 5100 HiTorque 7x16 Mini Lathe
MX-8x14 Preenex (and others) 8x14 Lathe
Harbor Freight 44859 Central Machinery 8x12 Precision Mini Lathe
SIEG C4 8.5x16 Bench Lathe
Busy Bee Tools CX705 Craftex 10x21 Lathe Mill Combo
Grizzly G0516 10x21 Lathe Mill Combo
SIEG M6 10x21 Lathe Mill Combo