**Customized Steel Helical Gear** 1. **Description:**
1 Specification Customized
2 Type Helical Teeth
3 Material 45, C8620, SUS304, 20CrMnTi, etc.
4 Treatment Heat treatments, Nitrocarburizing, Polishing
5 Delivery Date 5-10 days for samples (1-20 pcs), 25-30 days for production (100-500 pcs)
2. **Scope of Supply:** - a) Dimension report - b) Profile report - c) Chemical treatment report - d) Material certificate 3. **Delivery Time:**


Samples:
Samples quantity 1-10 pcs
Samples delivery date 5-10 days

Mass Production:
100 pcs - 500 pcs 15-20 days
500 pcs-1000 pcs 30 days
5K pcs 45 days

Packing:
Inner packing Blister box
Outer Packing Standard cartons
4. **Our Services:** - e) OEM: According to your drawings and sample requirements - f) Small orders are accepted - g) Satisfied quality - h) Comprehensive and efficient after-sales service 5. **FAQ:**
1 Q Can you make as per custom drawings?
A Yes
2 Q If only sample without drawing, what can you do for me?
A We will measure the sample and make an operating drawing for your confirmation before manufacturing
3 Q How to ensure the quality?
A IQC for raw material.
Monitor the quality of products during production, we have the in-process checking and sampling system.
FQC for product appearance, dimension, hardness, accuracy.
4 Q Inspection reports?
A Profile report
Chemical treatment report
Material certificate
5 Q After-sales service?
A Goods are sold with money-back guarantee
If the products cannot be used due to our product quality problems, we will remake the products for you or refund the payment
6. **Material Available:**
Stainless Steel SS201, SS301, SS303, SS304, SS316, SS416 etc.
Steel mild steel, Carbon steel, 4140, 4340, Q235, Q345B, 20#, 45# etc.
Brass HPb63, HPb62, HPb61, HPb59, H59, H68, H80, H90 etc.
Copper C11000, C12000, C36000 etc.
Aluminum AL6061, Al6063, AL6082, AL7075, AL5052, A380 etc.
Iron 1213, 12L14, 1215 etc.
Plastic ABS, PC, POM, Delrin, Nylon, Teflon, PP, Peek etc.
7. **Surface Finish:**
Aluminum parts Stainless Steel parts Steel Plastic
Clear Anodized Polishing Zinc plating Plating gold (ABS)
Color Anodized Passivating Oxide black Painting
Sandblast Anodized Sandblasting Nickel plating Brushing (Acrylic)
Chemical Film Laser engraving Chrome plating Laser engraving
Brushing Carburized
Polishing Hot treatment
Chroming Powder Coated
8. **Capabilities of Gears and Splines:**
Item Internal Gears and Internal Splines External Gears and External Splines
Milled Shaped Ground Hobbed Milled Ground
Max O.D. 2500 mm
Min I.D. (mm) 30 320 20
Max Face Width (mm) 500 1480
Max DP 1 0.5 1 0.5
Max Module (mm) 26 45 26 45
AGMA / DIN Level DIN Class 8 DIN Class 4 DIN Class 8 DIN Class 4
Tooth Finish Ra 3.2 Ra 0.6 Ra 3.2 Ra 0.6
Max Helix Angle ±22.5° ±45°
With professional gear inspection teams and strict testing processes, we are confident in providing high-quality gears. 9. **Capacity:**
CNC Turning φ0.5 - φ300 × 750 mm ±0.005 mm
CNC Milling 510 × 1020 × 500 mm (max) ±0.01 mm
CNC Stamping 1000 × 1000 mm (max) ±0.05 mm
Drawing Format Auto CAD, Solid works, Pro/E, PDF.
Test Equipment D measurement instrument, Projector, CMM, Altimeter, Micrometer, Thread Gages, Calipers, Pin Gauge etc.
10. **QUALITY CONTROL PROCESS:** - 1) Inspecting the raw material – (QC) - 2) Checking the details before the production line operated - 3) Have full inspection and routing inspection during mass production – In process quality control (IPQC) - 4) Checking the gears after production finished – (FQC) - 5) Checking the gears after they are finished – Outgoing quality control (OQC) 11. **Description:**
Specification: Straight Teethed Bevel/Sprocket/Planetary Spur/Helical Transmission Gear (Customized)
Material : Carbon Steel, Brass...
Treatment: Carburizing, hardening and tempering, Nitriding, high frequency treatment, black coating, zincing, nickelage etc.
Finish: Clean & smooth surface, no cutting oil, metal chip & scratch are allowed
Teeth Profile: Spur
Processing method: Machining (OEM)
Finished appearance: To remove sharp edges
Packing: Inner packing: blister box
Outer packing: standard cartons
Quantity: Small quantity can be accepted
12. **Our Product Range:**
Material Carbon Steel SAE1020, SAE1045, Cr12, 40Cr, Y15Pb, 1214L.
Alloy Steel 20CrMnTi, 16MnCr5, 20CrMnMo, 41CrMo, 17CrNiMo5...
Brass/Bronze HPb59-1, H70, CuZn39Pb2, CuZn40Pb2, C38000, CuZn40
Machining process Gear Hobbing, Gear Milling, Gear Shaping, Gear Broaching, Gear Shaving, Gear Grinding and Gear Lapping
Module 1.0, 1.25, 1.5, 1.75, 2.0, 2.25, 2.5...8.0
Tolerance control Outer Diameter: ±0.005 mm Length Dimension: ±0.05 mm
Teeth accuracy DIN Class 4, ISO/GB Class 4, AGMA Class 13, JIS Class 0
Heat treatment Quenching & Tempering, Carburizing & Quenching, High-frequency Hardening, Carbonitriding...
Surface treatment Blackening, Polishing, Anodization, Chrome plating, Zinc plating, Nickel plating...
13. **Our Major Gear Products:** Control Gear, Speed Gear, Transmission Gear, Gear Shaft, Drive Gear, Gear Pump, Steel Gear Wheel, Double Gear Wheel, Large Gear Wheel, Gear Wheel Axle, Gear Wheel Valve, Steel Spur Gear, Wholesale Lifting Gear, Wholesale Duty Gear, Wholesale Steel Gear, Wholesale Double Gear, Wholesale Large Gear, Gear Oil Wholesalers, Special Gear, Gear Box, Gear Reducer, Reducer.

LC300 Steering Wheel

Changzhou Saina Automobile Industry Co., Ltd , https://www.jsczsaina.com

July 27, 2025