4. Why to choose us?
One: We have long history and experience working in the field.
Two: We have the most advanced equipments and technique in our industry.
Three: We have professional engineer, Cad drawer and staffs.
Four: We have 100% quality ensure system and 24hours after-sale service system.
Five: We have passed third-party assessment, such as CE, SGS and TUV and BV.
5. Packing for Stainless steel screw and barrel
1) Wooden case package
2) Plastic film package
3) Suitable to transportation
4) As buyer request
Dear customer, if you already have suppliers or are looking for suppliers, have a try to believe us, we are sincerely welcome you and want to cooperate with you.
| Diameter |
Φ 35-Φ 250(according to the demands of customers) |
| L/D ratio of screw |
16-35 |
| Conical dual-hole barrel screw specificaiton |
Φ 25Φ 45-Φ 92Φ 188(according to the demands of customers) |
| Technology index: |
Depth of nitrition layer: 0.4-0.7mm |
| Nitriding treatment, surface hardness |
HV≥ 900-1000 |
Audited Supplier 
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