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Buy best price high-quality, corrosion resistant Brass PU Hollo Bolt, Brass Push-in Pneumatic Fittings, Brass tube fittings, brass push-to-lock fittings from Pioneer Industries recognized for manufacturing quality-tested products using latest manufacturing equipment at International Industry standards.
We at Pioneer Industries manufacture a wide variety of Brass PU Hollo Bolt which finds applications in numerous industries like Oil & Gas Industries, Chemical Industry, Nuclear Energy Sector, Petroleum Industries, Defence Industry, and Aerospace Industry. Available in numerous dimensions and grades. Pioneer Industries manufactures and exports high-quality industrial Brass PU Hollo Bolt.
We are India’s one of the leading Brass PU Hollo Bolt manufacturers and exporters to more than 85 countries exporting and manufacturing on a large scale. All size supply maintains a massive inventory of Brass PU Hollo Bolt, with all standard fractional (inch) and metric (mm) tube sizes available.
Brass PU Hollo Bolt is manufactured from high-grade brass raw materials sourced from trusted and reliable mills. Most Brass PU Hollo Bolt fittings are available in bright nickel plating as well as natural brass finish. Various materials, thread specifications, and custom configurations are available. We’ve got the right product for your engineering needs.
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Brass PU Hollo Bolt is a precision-engineered pneumatic fitting designed to provide instant, tool-free push-to-lock tubing connections across industrial pneumatic, robotics, automation, and instrumentation fluid systems.
Constructed with a heavy-duty extruded or forged brass body, internal stainless steel gripping collets, and elastomeric O-rings, the fitting delivers high mechanical impact strength, vibration resistance, and positive airtight sealing under continuous line pulsing, vacuum service, and operating pressures up to 15 bar.
Sizes: Metric 4 mm to 16 mm Tube OD (Fractional 1/8″ to 1/2″ Tube OD). Thread Profiles: Metric M5 to M20, NPT (ANSI B1.20.1), BSPP (ISO 228), and BSPT (ISO 7/1). Material of Construction: High Tensile Brass (IS 319 / CW614N / CZ121 / ASTM B16 C36000) with Bright Nickel Plating or Natural Brass. Internal Seals: NBR (standard -20°C to +80°C), Viton/FKM optional (-20°C to +150°C). Working Pressure: Vacuum to 15 Bar (220 PSI). Working Media: Compressed Air, Neutral Gases, Vacuum.
Explore full engineering dimensional configurations for Metric (mm) and Imperial / Fractional (Inch) Brass PU Hollo Bolt fittings. Sourced and manufactured according to international pneumatic standards.
| Part Number | Thread Size | Banjo Cavity Type | Total Length (mm) | Thread Length (mm) | Hex A/F | Working Pressure |
|---|---|---|---|---|---|---|
| PI-PUB-M5 | M5 × 0.8 | Single Banjo | 18.0 mm | 8.0 mm | 8 mm | 16 Bar (230 PSI) |
| PI-PUB-01 | G 1/8″ (BSPP) | Single Banjo | 25.0 mm | 11.0 mm | 14 mm | 16 Bar (230 PSI) |
| PI-PUB-02 | G 1/4″ (BSPP) | Single Banjo | 29.5 mm | 13.5 mm | 17 mm | 16 Bar (230 PSI) |
| PI-PUB-03 | G 3/8″ (BSPP) | Single Banjo | 34.0 mm | 15.0 mm | 21 mm | 16 Bar (230 PSI) |
| PI-PUB-04 | G 1/2″ (BSPP) | Single Banjo | 40.0 mm | 18.0 mm | 26 mm | 16 Bar (230 PSI) |
| PI-PUBD-02 | G 1/4″ (BSPP) | Double Banjo | 41.5 mm | 13.5 mm | 17 mm | 16 Bar (230 PSI) |
| Part Number | Tube OD (Inch) | Thread Connection | Overall Length L (Inch) | Hex A/F (Inch) | Working Pressure (PSI) |
|---|---|---|---|---|---|
| PI-PU-HOL-1/8 | 1/8″ | 1/8″ NPT / UNEF | 0.82″ (20.8 mm) | 7/16″ | 220 PSI |
| PI-PU-HOL-5/32 | 5/32″ (4 mm) | 1/8″ NPT / M12 | 0.88″ (22.3 mm) | 1/2″ | 220 PSI |
| PI-PU-HOL-1/4 | 1/4″ | 1/4″ NPT / BSPP | 1.02″ (25.9 mm) | 9/16″ | 220 PSI |
| PI-PU-HOL-5/16 | 5/16″ (8 mm) | 1/4″ NPT / BSPP | 1.08″ (27.4 mm) | 5/8″ | 220 PSI |
| PI-PU-HOL-3/8 | 3/8″ | 3/8″ NPT / BSPP | 1.24″ (31.5 mm) | 3/4″ | 180 PSI |
| PI-PU-HOL-1/2 | 1/2″ | 1/2″ NPT / BSPP | 1.45″ (36.8 mm) | 7/8″ | 150 PSI |
| Component | Material Specification | Standard Specification | Mechanical Properties | Temperature Limits | Key Features |
|---|---|---|---|---|---|
| Fitting Body | Free Cutting Brass (CW614N / CZ121) | IS 319 Gr. 1 / ASTM B16 C36000 | Tensile ≥ 440 MPa, 120–160 HB | -20°C to +80°C (up to 150°C) | High tensile strength, bright nickel-plated corrosion protection |
| Gripping Collet | Stainless Steel AISI 301 / 304 | ASTM A666 / DIN 1.4310 | Spring Tempered ≥ 42 HRC | -40°C to +200°C | Precision biting teeth ensure permanent tube lock without scoring |
| Primary O-Ring Seal | Nitrile Rubber (NBR 70) | ASTM D2000 / ISO 1629 | Hardness 70 ± 5 Shore A | -20°C to +80°C | Standard pneumatic airtight sealing for air, inert gas, vacuum |
| High-Temp Seal (Optional) | Fluoroelastomer (Viton / FKM) | ASTM D1418 / ISO 1629 | Hardness 75 ± 5 Shore A | -20°C to +150°C | Resistant to synthetic oils, high temperatures, chemical vapors |
| Release Sleeve Collar | Polyoxymethylene (POM) / Brass | ISO 9988 / ASTM D4181 | Tensile ≥ 65 MPa | -20°C to +100°C | Smooth one-touch manual release without jamming or collet binding |
| Sealing Washers (Banjo) | Copper / Bonded NBR Dowty | DIN 7603 / BS 4518 | Annealed Soft / Bonded | -40°C to +150°C | Positive port face sealing under repeated hollow bolt torque |
Brass PU Hollo Bolt finds critical deployment across a wide variety of industrial pneumatic and fluidic systems:
Routes main supply air and actuator feedback lines cleanly through electrical and pneumatic enclosure panels while preserving enclosure sealing.
Connects moving robotic arm air feeds to stationary base junction boxes across partitions, resisting dynamic flexure and repetitive cyclic motion.
Feeds pneumatic clamping lines, tool changers, and air blast nozzles straight through sheet metal chip guards and splash enclosures without line abrasion.
Widely deployed across high-speed cartoning, bottle blow-molding, and filling machinery partitions requiring quick pneumatic tube maintenance and washdown durability.
Routes air brake auxiliary lines, pneumatic suspension tubing, and automated tire inflation air lines across chassis bulkheads and cab partition walls.
In chemical refineries, Brass Tube Fittings are made using corrosion resistant high performance materials, such as Brass, tool alloys, and exotic metals and find use in machineries such as heat exchangers, chemical tanks, and processing systems.
These Brass Tube Fittings find application in processing equipment such as tanks, drilling rigs, and pumps, and used in the oil and gas industries giving stable performance in high stress and corrosive conditions.
Fittings installed in the marine industry necessitate excellent corrosion resistance to withstand the extended periods of exposure to saltwater that marine ramps, marine decks, bulkheads, and tanks experience.
Pioneer Industries’ Brass PU Hollo Bolt fittings are deployed across worldwide demanding industries including:
Comprehensive technical guidance and engineering answers regarding Brass PU Hollo Bolt, push-in collet mechanics, pressure containment, and pneumatic specifications from Pioneer Industries.
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