3/4″ to JT4 Straight Shank Drill Chuck Arbor-Ground Shank (A0047) Precision ground straight-shank drill chuck arbor for mounting a Jacobs Taper drill chuck in compatible machining equipment. See Specifications & Tolerances and the 3/4″ shank comparison chart for details.
Specifications & Tolerances
- Precision Ground Full Shank
- HIGHEST TOLERANCE: Taper to Shank Runout < 0.001"
- Hardened to approximately 52-58 HRC
- Shank Taper: Straight (Inch)
- Mount Taper: Jacobs Taper
- Made of High Quality Ground Alloy Steel 42CrMo
- Customer Satisfaction Guarantee
- Veteran Owned & Operated
Applications
- Fully ground straight shank provides superior concentricity and reduced runout for precision drilling and machining applications
- Ideal for use in CNC machines, milling machines, drill presses, and lathes where accurate chuck alignment is critical
- Precision ground shank improves holding performance in collets, end mill holders, and precision drill chucks for enhanced stability under load
- Commonly used in toolrooms, production machining, metal fabrication, and maintenance shops requiring repeatable drilling accuracy
- Hardened and fully ground construction delivers excellent wear resistance and smooth tool changes in high-precision industrial environments
| Order #. | Shank Type | D | JT | L | L1 | L2 | D1 | D2 | Weight LBS |
|---|
| A0036 | Ground | 3/4" | 2JT | 3.39 | 2.193 | 0.91 | 0.559" | 0.487 | 0.4 |
| A0033 | Ground | 3/4" | 33JT | 3.51 | 2.228 | 1.023 | 0.624" | 0.561 | 0.4 |
| A0030 | Ground | 3/4" | 3JT | 3.72 | 2.116 | 1.292 | 0.811" | 0.746 | 0.5 |
| A0047 | Ground | 3/4" | 4JT | 4.18 | 2.06 | 1.692 | 1.124" | 1.037 | 0.65 |
| A0032 | Ground | 3/4" | 6JT | 3.5 | 1.967 | 1.09 | 0.676" | 0.624 | 0.4 |
Dimensional Disclaimer: All dimensions are provided for reference purposes and are subject to change without notice. Please confirm critical dimensions before ordering to ensure proper fit and compatibility with your application.
Shop-Force Quality
Shop-Force manufactures precision tooling and industrial workholding
products for professional machining, manufacturing, and maintenance
applications. Our products are supported by in-house quality control
and a commitment to consistent performance and reliability.