LS-400 Series Lead Screw Tap Unit

Stroke Length – 6″

Tap Capacity – Up to 900 in. lbs. of torque.

Production Rate – 15 parts/min. with electric brake motor.

Lead Screw Pitch – 3 thru 40, metric right and left hand.

Multiple Operation – Same unit can lead screw tap or drill.

Lead Screw – 1.75″ standard threading length. Longer lengths available.

Standard Spindle Configurations – Threaded, 2.50 in OD maximum; Straight blank, 2.50 OD maximum, Special Taper, 2.50 inch OD maximum; Straight Bore, 1.38 inch ID maximum; Morse Taper, #5 maximum; Threaded with pilot, 2.50 inch maximum shoulder; Collet, 1.25 inch thru 1 inch

Spindle Drive – From offset motor thru timing belt drive.

Unit operation – Air operated for rapid approach and return stroke.


Ls 46 2d

Engineering Info & Drawings

ModelDownload 2DDownload 3D
LS400 Series Unit2D DWG3D IGS
LS400 Series Unit with 8426 Fixed Vertical Mount 3D IGS
LS400 Series Unit with 3140 Column Mount 3D IGS

Setup Sheets

LS400 Series Optional Spindles (PDF)PDF
LS400 Series Optional Spindles 2D DWGDWG

Additional information

Drill Capacity Steel (inches)


Tap Capacity Steel (inches)