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The Home Shop Machinist is our flagship magazine. Founded in 1982, we've been the best source of techniques, projects, and information for the hobby machinist. In each issue, The Home Shop Machinist presents interesting how-to articles, machine modifications, fun projects, accessories for your shop metalworking equipment, shop improvement articles, and more!
If you know a hobby machinist then The Home Shop Machinist is for them. In each issue, we present interesting how-to articles, machine modifications, fun projects, accessories for your shop metalworking equipment, shop improvement articles, and more! It's a gift that gives all year long.
FoR (Front or Rear) Inverted Parting Toolholder includes a fine, high-strength Crobalt parting tool. Operates with blade held upside down. Use in front or rear tool post. Model specifically set for tool posts on 12mm Diamond Toolholder.
Features/Tips
If backordered, shipping may take 2 to 3 weeks.
FoR (Front or Rear) Inverted Parting Toolholder includes a fine, high-strength Crobalt parting tool. Operates with blade held upside down. Use in front or rear tool post. Model specifically set for tool posts on 16mm Diamond Toolholder.
FoR (Front or Rear) Inverted Parting Toolholder includes a fine, high-strength Crobalt parting tool. Operates with blade held upside down. Use in front or rear tool post. Model specifically set for tool posts on 20mm Diamond Toolholder.
FoR (Front or Rear) Inverted Parting Toolholder includes a fine, high-strength Crobalt parting tool. Operates with blade held upside down. Use in front or rear tool post. Model specifically set for tool posts on 8mm Diamond Toolholder.
FoR (Front or Rear) Inverted Parting Toolholder includes a fine, high-strength Crobalt parting tool. Operates with blade held upside down. Use in front or rear tool post. Model specifically set for tool posts on 9.5mm Diamond Toolholder.
Over 350 shop projects in all, averaging 20 techniques, 14 lathe accessories, and 11 shop tools and improvements per volume, plus several plans for drill press and milling machine accessories. Foundry work appears in volume Four, a Plastic Injection Molding Machine in volume Five, convert your mill or mill/drill to CNC in volume Seven. Take all eight and save!
Diamond Toolholder's unique design provides a number of benefits over standard tooling, both in use and when sharpening. When cutting, 80 degree included angle of tool allows machinist to both turn and face in same setup, saving time and tooling. When it comes time to sharpen toolbit, simply clamp it in sharpening jig (supplied with Right Hand Toolholder kit) and grind. That's all there is to sharpening toolbit -- no complicated geometry, only one face needs grinding. Get prefect results every time!
R12mm Toolholder is perfect size for 7-12 inch lathes and it works well with toolpost heights found on most Asian imports. Toolholder uses 1/4" square toolbits and features a 15/32"x19/32" shank size. "R" denotes a right hand toolholder, which will cut towards lathe headstock and will do facing cuts on stock to left side of tool. Left hand toolholders are also available.
Tool holder size will depend on a combination of size of your lathe and type of tool post fitted. Model number indicates distance in millimeters from bottom of tool post tool slot to lathe centerline. Check tool height and size of tool slot in tool post before purchasing.
R12mm Toolholder Kit includes: - 1 Right Hand Toolholder- 1 HSS Tool Blank- 1 Grinding Jig - 1 Hex Key- 1 Instructional DVD- Helpful articles written by Rudy Kouhoupt & Desmond Burke
Features/Tips | Selecting Size | Right/Left Handed
R16mm Toolholder is perfect size for medium to large sized lathes, 12-19 inches in swing. toolholder uses 5/16" square toolbits and features a .675"x5/8"x3-1/2" shank size for increased ridgidity. "R" denotes a right hand toolholder, which will cut towards lathe headstock and will do facing cuts on stock to left side of tool. Left hand toolholders are also available.
R16mm Toolholder Kit includes: - 1 Right Hand Toolholder- 1 HSS Tool Blank - 1 Grinding Jig - 1 Hex Key- 1 Instructional DVD- Helpful articles written by Rudy Kouhoupt & Desmond Burke
R20mm Toolholder is perfect size for heavy-duty lathes capable of using 3/4" tooling. Toolholder uses 5/16" square toolbits and features a 3/4"x3/4" shank size for increased ridgidity. "R" denotes a right hand toolholder, which will cut towards lathe headstock and will do facing cuts on stock to left side of tool. Left hand toolholders are also available.
R20mm Toolholder Kit includes: - 1 Right Hand Toolholder- 1 HSS Tool Blank - 1 Grinding Jig - 1 Hex Key- 1 Instructional DVD- Helpful articles written by Rudy Kouhoupt & Desmond Burke
Diamond Toolholder's unique design provides a number of benefits over standard tooling, both in use and when sharpening. When cutting, 80 degree included angle of tool allows machinist to both turn and face in same setup, saving time and tooling. When it comes time to sharpen toolbit, simply clamp it in sharpening jig (supplied with Right Hand Toolholder kit) and grind. That's all there is to sharpening toolbit -- no complicated geometry, only one face needs grinding. Get perfect results every time!
8mm Toolholder is perfect size for smaller, 6-9 inch lathes, such as South Bend 9 or Myford 8. Toolholder uses 1/4" square toolbits and features a 7/16"x1/2" shank size. "R" denotes a right hand toolholder, which will cut towards lathe headstock and will do facing cuts on stock to left side of tool. Left hand toolholders are also available.
R8mm Toolholder Kit includes: - 1 Right Hand Toolholder- 1 HSS Tool Blank - 1 Grinding Jig - 1 Hex Key- 1 Instructional DVD- Helpful articles written by Rudy Kouhoupt & Desmond Burke
R9.5mm Toolholder is perfect size for smaller, 9-12 inch lathes such as South Bend 9 or Logan 10. Toolholder uses 1/4" square toolbits and features a 1/2"x1/2" shank size. "R" denotes a right hand toolholder, which will cut towards lathe headstock and will do facing cuts on stock to left side of tool. Left hand toolholders are also available.
R9.5mm Toolholder Kit includes: - 1 Right Hand Toolholder- 1 HSS Tool Blank - 1 Grinding Jig - 1 Hex Key- 1 Instructional DVD- Helpful articles written by Rudy Kouhoupt & Desmond Burke
R-L12mm Combo Diamond Toolholders are designed to operate on oversized toolposts on Asian Mini-Lathes now being sold in thousands. These toolholders consist of:
HSS tool bit size - 1/4"x1/4"x32mm (1 1/2") M42 grade 8% Cobalt
Shank size (HWL) - 15mmx12mmx76mm (19/32"x15/32"x3")
Minimum tool height - 12mm (15/32")
Distance from shank to tool point - 32mm (1 1/4")
Clamp screw - M5
Combo includes:- 1 Right Hand Toolholder- 1 Left Hand Toolholder- 2 HSS Tool Blanks- 1 Grinding Jig- 1 Hex Key- 1 Instructional DVD- Helpful articles written by Rudy Kouhoupt & Desmond Burke
By buying this combo, you're saving a total of $25.00 versus what you would have paid by buying each tool separately.
R-L12mm Combo Diamond Toolholders are designed to operate on oversized toolposts on Asian Mini-Lathes now being sold in thousands.
Right/Left Diamond Toolholder Combo for 12mm units: Shank size (HWL) 15mmx12mmx76mm (19/32"x15/32"x3".)
Minimum tool height - 12mm (15/32".)
Distance from shank to tool point-32mm (1 1/4".)
Clamp screw - M5.
Triple Combo includes:- 1 Right Hand Toolholder- 1 Left Hand Toolholder- 1 FoR Parting Tool- 1 Crobalt Cutoff Blade- 2 HSS Tool Blanks- 1 Grinding Jig- 1 Hex Key- 1 Instructional DVD- Helpful articles written by Rudy Kouhoupt & Desmond Burke
R16mm Diamond Toolholder is for large swing lathes such as Taiwanese 12" up to 20" swing. Shank is much more beefy and able to take healthy cuts in tough steel and other metals. COMBO includes new L16mm for Left-Hand cutting toward tailstock.
After grinding high speed tool blank with grinding jig, your cutting tool will be ready to mount in toolholder and begin making cuts right away.
If you're going to be doing some heavy work, or some hardened metal, you might be interested in Crobalt 5/16" square high strength toolbits -- also available on this site.
Combo includes:- 1 Right Hand Toolholder- 1 Left Hand Toolholder- 2 HSS Tool Blanks- 1 Grinding Jig- 1 Hex Key- 1 Instruction DVD- Helpful articles written by Rudy Kouhoupt & Desmond Burke
By buying this combo, you're saving a total of $30.00 versus what you would have paid by buying each tool separately.
* = Membership prices are for North American shipments. Click on item to review non-North American destination prices. Actual price for non-North American will be computed at checkout.