Thread Rolling Machine Manufacturer | Cold Rolling Equipment for Screws & Splines – SourcingProChina Thread Rolling Machines – Cold Rolling Equipment for Threads, Splines & Knurling Product Overview Thread rolling machines form threads, splines, knurling, and other rotary features through cold plastic deformation rather than material cutting. This process delivers a smoother surface finish, improved mechanical strength, and higher throughput compared to conventional thread cutting.
SourcingProChina, a China-based sourcing agent, connects overseas buyers with verified manufacturers of thread rolling machines (flat die type) and cold rolling thread machines (cylindrical die type). These machines cover a range of thread sizes, production capacities, and material types, serving fastener factories and precision component manufacturers.
Core Technical Parameters Thread Rolling Machines (Flat Die Type ) Model Diameter Range Length Range Moving Die Height Output (pcs/min) Motor (hp) Weight (kg) 003 0.8-2.6mm 16mm 20mm 350-500 4 420 004 2-4mm 30mm 25/35mm 300-450 5 500 一分 2-4mm 30mm 40mm 200-280 7 750 一分半 3-5mm 50mm 55/65/75mm 170-220 10 1000 6R 3-6mm 50mm 55/80mm 140-180 14 1400 2分 4-8mm 75mm 75/100mm 135-165 19 1900 8R 4-8mm 75mm 85/100/125mm 120-150 23 2300 2分半 4-8mm 100mm 100/150/200mm 90-125 32 3200 3分 6-10mm 100mm 100/150/200mm 80-120 33 3300 4分 8-12mm 100mm 100/150/200mm 65-85 56 5600
Cold Rolling Thread Machines (Cylindrical Die Type) ZA28-20
Parameter Specification Max Rolling Force 200KN Thread Dia (Radial Feed) 80mm (max) / 50mm Max Pitch (Radial Feed) 8mm / 6mm Roll OD Max 210mm Roll Bore 75mm Roll Width Max 160mm Max Center Distance 260mm Spindle Speed 16, 22, 32, 45, 63, 90 rpm Max Intersecting Angle +7° Weight 2900kg
ZD28-25
Parameter Specification Max Rolling Force 250KN Thread Dia (Radial Feed) 60mm / 90mm Max Pitch (Radial Feed) 6mm Roll OD Max 210mm Roll Bore 75mm Roll Width Max 120mm Max Center Distance 290mm Spindle Speed 5-100 rpm Max Intersecting Angle ±8° Total Power ~14KW Weight 4000kg
ZD28-16-04
Parameter Specification Max Rolling Force 160KN Thread Dia (Radial Feed) 70mm / 45mm Max Pitch (Radial Feed) 6mm Roll OD Max 175mm Roll Bore 54mm Roll Width Max 120mm Max Center Distance 240mm Spindle Speed 5-70 rpm Max Intersecting Angle ±8° Total Power ~10KW Weight 2300kg
ZA28-31.5B / ZA28-40
Parameter ZA28-31.5B ZA28-40 Max Rolling Force 315KN 400KN Thread Dia (Radial Feed) 100mm/50mm 120mm/60mm Max Pitch (Radial Feed) 10mm 12mm Roll OD Max 220mm 220mm Roll Bore 85mm 85mm Roll Width Max 160mm 160mm Max Center Distance 300mm 300mm Spindle Speed 16,24,32,48,64,96 rpm 16,24,32,48,64,96 rpm Total Power ~20KW ~20KW Weight 6400kg 6500kg
ZA28-63
Parameter Specification Max Rolling Force 630KN Thread Dia (Radial Feed) 130mm / 80mm Max Pitch (Radial Feed) 10mm Roll OD Max 300mm Roll Bore 100mm Roll Width Max 250mm Max Center Distance 400mm Spindle Speed 10-25 rpm (stepless) Total Power ~34KW Weight 7540kg
Additional Models (Bao Bo Machinery) 3T Thread Rolling Machine: M2-M12 3-Axis Hydraulic Thread Rolling Machine with Display: Model 30 3-Axis Cam Thread Rolling Machine: M10-M16 Key Features Cold Rolling Forming Process Cold rolling uses plastic deformation, not cutting, to shape threads and splines. This refines the material's grain structure and increases surface hardness while producing a superior finish without material waste.
Productivity Advantage According to manufacturer-reported figures, cold rolling can achieve significantly higher output than traditional cutting methods, with reduced material consumption.
Versatile Application Range Suitable for rolling threads, straight and helical splines, knurling, oil grooves, annular grooves, surface burnishing, tapered necks, and finned tubes.
Precision & Quality Rolled threads typically show improved dimensional accuracy, smoother surface finish, and better fatigue and wear resistance compared to cut threads, based on the cold working effect inherent to the rolling process.
Stepless Speed Control Select models offer stepless speed control to match rolling parameters to different materials and workpiece geometries.
Operator-Friendly Design Touch-screen panels, digital center-distance display, and automatic lubrication are available on advanced models to simplify operation and maintenance.
Application Scenarios Standard thread rolling for screws and bolts Spline rolling (straight and helical) Trapezoidal thread rolling Oil groove and annular groove rolling Surface burnishing and spherical burnishing Knurling (straight and diamond patterns) Tapered neck rolling Finned tube rolling Valve stem straightening rolling Internal/external thread rolling Spline cold extrusion FAQ Q1: What is the advantage of cold rolling over thread cutting?
Cold rolling forms threads without removing material, which supports better surface finish, higher fatigue strength, and improved wear resistance versus cut threads. The rolling process also work-hardens the surface. Exact performance gains vary by material and application — please contact us for application-specific data.
Q2: What sizes can your thread rolling machines process?
Flat die type thread rolling machines cover diameters from 0.8mm to 12mm with lengths up to 100mm. Cylindrical die type cold rolling thread machines cover diameters up to 130mm with rolling forces up to 630KN. Refer to individual model tables above for exact ranges.
Q3: What materials are suitable for thread rolling?
Cold rolling suits metals with sufficient plasticity, including low-carbon steel, medium-carbon steel, alloy steel, stainless steel, aluminum alloys, brass, copper, and titanium alloys. Harder materials generally require higher rolling force and appropriate die material selection.
Q4: What is the difference between a thread rolling machine and a cold rolling thread machine?
A thread rolling machine (flat die type) uses two flat dies moving relative to each other, offering high speed and simple operation for smaller diameters. A cold rolling thread machine (cylindrical die type) uses rotating cylindrical dies and handles larger diameters and higher rolling forces. Selection depends on part size and production volume.
Q5: Can these machines produce custom thread profiles?
Yes. Custom die design supports standard threads (metric, UNF, UNC), trapezoidal threads, round threads, buttress threads, and specialized spline/knurling profiles.
Q6: What maintenance is required for thread rolling machines?
Routine maintenance includes lubrication of moving parts, die wear inspection, hydraulic system checks (for hydraulic models), and periodic calibration. Die replacement is the most frequent maintenance task.
Ordering Information MOQ: 1 set (subject to final confirmation)Delivery Time: Standard models typically available within 30–60 days after order confirmationCustomization: Custom die design, automation integration, and special specifications available upon requestPayment Terms: T/T, L/C (negotiable)Warranty: 12 months after commissioningPackaging: Standard export packaging with protective film and wooden crates
