S45C DME Type B Sprue Bush Plastic Injection Molding Components
SENLAN offers multiple types of Sprue Bushings including "A" series, "B" series, "U" series, "UV" Series, "LN" Series, "AR" series, "UR" series, "L" series and Performance Sprue Bushings. All models except Performance Sprue Bushings are manufactured from steel with a base hardness of 43-45 HRc. The "LN" series features additional surface treatment that increases surface hardness to approximately 60-62 HRc.
Sprue Bushing Specifications
| Material |
Inner Hardness |
Surface Hardness |
Heat Treatment |
| S45C |
SR HRC50~55 |
Partial |
|
| SKD11 |
HRC58~62 |
HRC58~62 |
Vacuumed |
| SKD61 |
HRC34~38 |
HV900~1100 |
Nitrided |
| SKD61 |
HRC50~54 |
HRC50~54 |
Vacuumed |
Manufacturing Capabilities
Our manufacturing processes include OD Grinding, ID Grinding, CNC Milling, CNC turning, Wire cutting, EDM, Drilling, and other precision machining techniques.
Delivery Time
7-15 days, depending on quantity
Payment Terms
50% T/T before production, 50% TT before shipment
Tolerance
±0.05mm (custom requirements accepted)
Drawing Format
PDF, DWG, DXF, IGS, STEP
Quality Assurance
We utilize comprehensive inspection equipment including CMM, 2.5D, Projector, Calipers, Hardness Tester, Micrometer, Altimeter, and other precision measurement tools. All products are ISO9001-2008 certified and undergo 100% inspection.
Packaging
Inner packaging with recyclable plastic boxes and anti-corrosive oil, outer packaging with sponge and PE bags. Custom packaging available per customer requirements.
Applications
Components are widely used in cosmetic packaging, medical devices, daily necessities packaging, automotive industry, and various plastic injection molding applications.
Our Advantages
- Competitive pricing with guaranteed quality
- Low MOQ (10pcs accepted for special conditions)
- Customized sizes and OEM services available
- Precise tolerance control: ±0.05mm
- Comprehensive 100% inspection process
Company Overview
Corporate Mission
Enhance customer competitiveness, support employee success, and create societal value
Corporate Vision
Become a world-class enterprise in the Mold Accessory Industry
Core Values
Responsibility, technology, quality, punctuality, honesty, service
Management Philosophy
Unite through corporate culture, standardize through systems and regulations
Manufacturing Capabilities
Our workshop features high-precision machining equipment and experienced technicians to ensure all dimensions meet tolerance requirements. We maintain a complete QC system with strict testing protocols to guarantee superior product quality.
Product Range
- Core pins, cavity pins, insert pins
- HSS punches, precision punches, special-shaped punches
- Ejector pins, ejector sleeves, two-stage ejector pins
- Guide pillars, guide bushings, guide post sets
- Slide core units, latch locks, locating series
Frequently Asked Questions
Are you a trading company or manufacturer?
We are a factory.
How can I customize my products?
Please attach your drawings with detailed specifications including surface treatment, material, quantity, and any special requirements.
How long can I get the quotation?
We provide quotations within 48 hours (considering time zone differences).
How long will you produce the parts?
Typically two weeks, with production scheduling based on quantity and delivery requirements.
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