Brass Screw-In Fittings Bushing, Unequal Dia.

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Product Description
Brass Fittings are an economy item, The price is cheaper than the MISUMI standard product.They offer a wide variety of sizes to choose from.
[Feature]
● Type and Shape : Screw-In Fittings Straight
● Fluid Used : Water, Air and Oil
● Thread Size :
D1 = G1/8 , D2 = R1/4, R3/8 and R1/2
D1 = G1/4 , D2 = R3/8 and R1/2
D1 = G3/8 , D2 = R1/2
D1 = G1/2 , D2 = R3/4
● Operating Temperature (℃) : -50 to 150
● Material : Brass HPB58-3
[Application]
Brass Fittings are commonly used in various applications in factory automation systems
Product Overview of Screw Fittings, Screw-In Type Flanges
Screw Fittings, Screw-In Type Flanges, Brass, Unequal Dia., Reducing Nipples are generally used for conversion of female and male threads.
Fluid used: water, air, oil.
Product Features of Screw Fittings, Screw-In Type Flanges
1) Water pressure detection fully guarantees the product’s operating pressure!
Detection method: water pressure load for 30 minutes.
Max. operating pressure is published as 1/3 of the actual detection pressure
| Detection item Water pressure test, Unit: Mpa | Generic products on the market | Economy series |
| Water Pressure: 4 | OK | OK |
| Water Pressure: 8 | Leakage | OK |
| Water Pressure: 12 | - | OK |
| Water Pressure: 16 | - | OK |
| Result | NG | OK |
* Generic products in the market are similar products randomly purchased by our company from online or offline markets
* The test data are obtained through testing by our company, which are for reference only.
2) Salt spray test, fully ensuring the product’s anti-rust performance!
| Test Item | Generic products on the market | Economy series |
| Salt spray test (48H) | Mostly rusted | Almost no rust |
| Daily environment equivalent | About 6 months | 3 years and above |
| Drawing | ![]() | ![]() |
Specifications Overview of Screw Fittings, Screw-In Type Flanges
MaterialBody: HPB58-3
Fitting Type
| Operating Temperature Range | -50~150℃ |
| Max. Operating Pressure | 5MPa |
Example Use of Screw Fittings, Screw-In Type Flanges
![]() | ![]() | ![]() |
| Move parts related to mechanism sliding support, temperature adjusting and heating with racks, gears and other workpieces. | Check 3 types of parts related to the sliding support, temperature adjusting and heating in the same position. | Belt tension device (with the spring) |
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| Parts related to the sliding support, nut, profile, temperature adjusting and heating | Slide up and down through clamping & welding parts of the cam bearing mechanism | No need to worry about handling of inductor wiring even for reversely rotating objects |
Related Products of Screw Fittings, Screw-In Type Flanges

| Part Number | D1 | D2 | L1 | L2 | CH | |
| Type | No. | G | R | mm | mm | mm |
| E-SJSPB | 12 | 1/8 | 1/4 | 11 | 16 | 14 |
| 13 | 1/8 | 3/8 | 11.5 | 16.5 | 17 | |
| 23 | 1/4 | 3/8 | 11.5 | 16.5 | 17 | |
| 24 | 1/4 | 1/2 | 14 | 19.5 | 22 | |
| 34 | 3/8 | 1/2 | 14 | 19.5 | 22 | |
| 36 | 3/8 | 3/4 | 16.5 | 23.5 | 22 | |
| 46 | 1/2 | 3/4 | 16.5 | 23.5 | 27 | |









