The JET GH-1640ZX Large Spindle Bore Lathe with ACU-RITE 303 DRO is a ZX-Series geared head lathe engineered to deliver power, precision, efficiency, and reliability in demanding metal shop environments. Built on a one-piece cast iron base that absorbs vibrations during operation, this lathe enables heavier cuts and consistent accuracy across every pass. The Universal Gearbox eliminates the need to change gears, while the integrated ACU-RITE 303 Digital Readout keeps operators in full command of positioning and dimensions. Backed by the industry-leading JET Two Year Warranty, the GH-1640ZX is a professional-grade solution for shops that require large spindle bore capacity and high-volume turning capability.

Key Features

• Articulating LED work lamp for precise, adjustable task lighting at the cutting zone
• Centrally located controls with jog button for convenient, intuitive operation
• Electronic Chuck Key Holder for improved safety and efficiency
• Five-position automatic carriage stop increases productivity during repetitive operations
• Full-length splash guard and coolant return to keep the work area clean and protected
• Large capacity steady rest with ball bearing tips for stable support of long workpieces
• Large, easy-to-use foot brake for fast and reliable spindle stopping
• Mounting pads and levelers for secure, level installation on shop floors
• Removable gap allows large-diameter work to be accommodated
• Tool box and adjusting tools included for immediate setup and on-the-floor adjustments
• One-piece cast iron base absorbs vibration for heavier cuts and greater accuracy
• Universal Gearbox eliminates the need to change gears during operation
• 12 spindle speeds ranging from 25-1,800 RPM to suit a wide range of materials and operations
• Large 3-1/8 in. spindle bore accommodates oversized stock and bar work
• 61 inch thread pitches and 24 metric thread pitches for exceptional threading versatility

Specifications

• Stock Number: 321381
• Size: 16 x 40
• Drive: Geared Head
• Motor: 7-1/2 HP, 230/460, 3 Ph
• Number of Spindle Speeds: 12
• Range of Spindle Speeds (RPM): 25-1,800
• Spindle Bore (In.): 3-1/8
• Spindle Mount: D1-8
• Spindle Taper with Sleeve: MT-7 (MT-5)
• Carriage Travel (In.): 35
• Cross Slide Travel (In.): 9
• Compound Slide Travel (In.): 5-1/8
• Max Tool Size (In.): 1 x 1
• Number of Inch Threads: 61
• Range of Inch Threads (TPI): 1-5/8-72
• Number of Metric Threads: 24
• Range of Metric Threads: .05-20
• Number of Longitudinal and Cross Feed Rates: 46/31
• Range of Longitudinal Feeds (IPR): .0015-.0900
• Range of Cross Feeds (IPR): .0006-.0360
• Length of Gap (In.): 12-1/4
• Overall Dimensions (L x W x H) (In.): 96 x 44 x 66
• Country of Origin: China
• Prop 65: Cancer and Reproductive Harm

Frequently Asked Questions

What is the spindle bore diameter on the GH-1640ZX?

The spindle bore measures 3-1/8 in., making this lathe well-suited for large-diameter bar stock and oversized workpieces that standard lathes cannot accommodate.

How many spindle speeds does this lathe offer, and what is the speed range?

The GH-1640ZX provides 12 spindle speeds with a range of 25-1,800 RPM, giving operators the flexibility to match cutting speed to a wide variety of materials and turning operations.

What threading capabilities does the GH-1640ZX support?

This lathe supports 61 inch thread pitches ranging from 1-5/8-72 TPI and 24 metric thread pitches ranging from .05-20, providing exceptional versatility for both standard and metric threading applications.

What power requirements does the GH-1640ZX lathe require?

The GH-1640ZX is powered by a 7-1/2 HP motor and requires a 230/460 V, 3-phase electrical supply. Always verify that your facility's electrical system meets these requirements before installation.