findmall 3 Boring Head R8 Shank 12Pcs 3/4 Carbide Boring Bar Set Milling Set

3 Boring Head

.0005/0-100 Graduation

3/4 Boring Bar hole diameter

3/4 Cross hole diameter

1 maximum offset

1 1/2-18 thread size

R8 shank can be fitted on a 2. 3. or 4 boring head with 1.5-18 thread size

12 PCS carbide tip boring bar set

12 pieces in one set

3/4 shank diameter

Carbide tipped for steel and alloy steel

Plastic case included

For R8 spindle machines

Hardened and ground

Shank Dia. 3/4

Product application

Shank Diameter 3/4 12 pcs

Overall Length Bore Depth Min. Bore

3-1/8 1-1/8 7/16

3-11/16 1-11/16 7/16

4-1/4 2-1/4 7/16

3-1/2 1-1/2 9/16

4-1/4 2-1/4 9/16

5 3 9/16

3-7/8 1-7/8 11/16

4-13/16 2-13/16 11/16

5-3/4 3-3/4 11/16

4-1/4 2-1/4 13/16

5-3/8 3-3/8 13/16

6-1/2 4-1/2 13/16

• Head size: 3In; Boring bar Hole: 3/4In; Cross Hole Dia: 3/4In; Maximum Offset: 1In
• The use of alloy steel has high strength and toughness. good hardenability. no obvious temper brittleness. and high resistance to multiple impacts after quenching and tempering
• A micrometer lead screw provides 0.0001In direct reading accuracy and ease of adjusting. Double bar holder permits a greater boring range with out an extreme offset condition
• A portable plastic tool box provides protection for boring head. bars and accessories. keep them clean and tidy. Its convenient for user to carry
• Packing including: 1 x 3In Boring Head. 1x R8 Shank. 12 x 3/4In Carbide Boring Bar. 3 x Allen Wrench