High-frequency pipe threading machine 700LX series

automatic

Overview
The Oster 700LX series (models 792LX and 794LX) are heavy‑duty, high‑production bolt and pipe threading machines designed for industrial use. Models include variable frequency drive control and are available with slide‑in or swing‑over diehead configurations to suit shop workflows.

Threading Capacities
Standard pipe capacity: 1/8" to 2"
Standard bolt capacity: 1/4" to 2"

General Specifications
Spindle speed (variable): 20–210 RPM (VFD noted 0–200 RPM capability)
Maximum thread length (no re‑grip): 12.5"
Net weight: 900 lbs.
Shipping weight: 1040 lbs.
Motor: 5 H.P., 3‑phase (240 or 480 V)

792LX — Quad II Slide‑In Head
The 792LX is supplied with the Quick‑Opening Quadversal (slide‑in) die head as standard. Slide‑in tooling uses Quad dies, a blade‑type reamer and a quick open/close die adjustment lever for fast die changes.

794LX — Swing‑Over Die Head
The 794LX is supplied with the Quick‑Opening Swing‑Over die head; an automatic opening version is available for both head types. The swing‑over configuration includes a self‑centering roller cutter and detachable blade reamer for efficient pipe threading operations.

Cut‑Off Accessories
No. 02394 Blade Type Cut‑Off: self‑centering blade cut‑off delivering a clean square cut with minimal burr.
Additional accessories: No. 200 Nipple Chuck, adjustable stock supports.

Series Features

• Easy‑to‑read digital RPM display
• Taper roller bearing mounted spindle
• Heavy‑duty ball bearing mounted worm shaft
• Flat ways and fabricated steel construction
• Patented replaceable chuck jaw inserts

Production Speed Studies (Pipe Threading) — selected data
Pipe size → Pieces per hour:
1/2" x 6" lg. → 122
1/2" x 2' lg. → 98
1/2" x 10' lg. → 76
1" x 6" lg. → 110
1" x 2' lg. → 88
1" x 10' lg. → 67
2" x 6" lg. → 80
2" x 2' lg. → 74
2" x 10' lg. → 58

Standard Equipment Furnished for the 792/794 LX Series

• Motor – 5 H.P., 3‑phase, 240 or 480 V (higher voltage may require step‑up transformer)
• Motor control – Variable frequency drive with forward/reverse and potentiometer speed control
• Carriage – Slide type with feed lever
• Diehead – ONE, QUADVERSAL QUICK‑OPENING type (1/8"–2" pipe; 1/4"–2" bolt) (792LX slide‑in, 794LX swing‑over)
• Dies – Two sets high‑speed steel Quad dies (Right‑hand): sets covering 1/2"–2" sizes
• Reamer – Detachable blade type
• Cutter – Self‑centering roller cutter (blade type optional for slide‑in carriage)
• Front chuck – Fast positive chuck with replaceable jaw inserts
• Rear centering chuck – Rotating type with scroll actuated guides
• Gage – Graduated scale bar and thread length gage
• Oil pump – 115 V Gusher pump, internally relieved, with status light
• Oil – Five gallons of OSTO thread cutting oil included

Technical specifications

• Series: Oster 700LX (models 792LX, 794LX)
• Standard pipe capacity: 1/8"–2"
• Standard bolt capacity: 1/4"–2"
• Spindle speeds: variable 20–210 RPM (VFD noted 0–200 RPM)
• Maximum thread length (no re‑grip): 12.5"
• Net weight: 900 lbs.; Shipping weight: 1040 lbs.
• Motor: 5 H.P., 3‑phase (240/480 V)
• Diehead types: Quick‑opening Quadversal (slide‑in) and Swing‑Over; automatic opening optional
• Dies: High‑speed steel Quad dies covering 1/2"–2"
• Included oil pump and OSTO thread cutting oil