High-Strength Laboratory Cross Clamps & Universal Bossheads

As a premier ISO-certified B2B manufacturer of general laboratory hardware and equipment, Hangzhou Qiwei Instrument Co., Ltd. produces commercial-grade Laboratory Cross Clamps, Universal Bossheads, and Support Rod Holders engineered for secure framework assembly, titration setups, and glassware mounting.

Manufactured from high-grade die-cast zinc or aluminum alloys with corrosion-resistant finishes and heavy-duty thumb screws, our cross clamps ensure rigid, slip-free perpendicular rod positioning for rigorous laboratory applications.

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German-Type Cross Clip
product key technologies 01. Introduction The German-type cross clamp is a widely used fixing fixture in laboratories, industrial and construction fields. With a unique structural design, it can...

Explore Our Laboratory Clamp Series

Versatile cross clamps, universal bossheads, and multi-jaw extension clamps designed for secure support stand configurations.

1. Standard Cross Clamps & Bossheads

Heavy-duty 90-degree cross clamps designed to securely connect support rods, lattice frames, and extension clamps at right angles with slip-resistant gripping grooves.

Rod Capacity: Fits support rods up to 16mm / 20mm diameter
Die-cast zinc/aluminum alloy with corrosion-resistant finish
Large oversized thumb screws for effortless manual tightening

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2. Swivel Multi-Angle Clamp Holders

Flexible swivel joint clamps allowing 360-degree rotation and locking at arbitrary angles, ideal for complex distillation apparatuses and irregular glass setups.

Adjustable multi-axis rotation for custom experimental layouts
Secure locking tooth mechanism prevents slippage under heavy load
Durable metal construction for long-term laboratory service

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3. Flask Clamps & Support Stands

Complementary 2-prong and 3-prong extension flask clamps coated with cork or rubber grips, designed to pair with our cross clamps for secure glassware handling.

Rubber-coated or cork-lined jaws protect fragile glassware
Pairs seamlessly with General Laboratory Equipment frameworks
Customized bulk packaging for laboratory suppliers

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Critical Industrial Applications & Engineering Strengths

Where Laboratory Cross Clamps Are Deployed

Support clamps and bossheads are foundational accessories required in every scientific and educational laboratory. Key deployment sectors include:

Chemical Synthesis & Distillation: Securing condensers, reaction flasks, and dropping funnels onto support lattice frames
Titration & Analytical Testing: Mounting burette clamps and sensors securely during volumetric analysis
Water Quality & Environmental Labs: Holding sampling probes and digestion glassware alongside Water Quality Testing Equipment
Educational Science Laboratories: Robust, drop-resistant hardware for school and university physics/chemistry teaching labs

Qiwei Manufacturing & OEM Advantages

Supporting global laboratory equipment suppliers, scientific dealers, and brand owners:

High-Tensile Die-Cast Alloy: Engineered to withstand high tightening torque without thread stripping or structural bending
Corrosion-Resistant Coating: Surface passivation and powder coating prevent oxidation from chemical vapors and moisture
OEM & ODM Customization: Custom branding, specialized jaw diameters, custom box packaging, and tiered wholesale volume discounts
Internal Links: Combine with our General Laboratory Equipment, Heating Baths, and Electrochemical Instruments for complete laboratory setups.

Frequently Asked Questions (Cross Clamp Sourcing Guide)

Q1: What rod diameter sizes are compatible with Qiwei cross clamps?

Qiwei standard cross clamps and bossheads are engineered with precision V-grooves that securely accommodate standard laboratory support rods ranging from 8mm up to 16mm or 20mm in diameter, ensuring universal compatibility.

Q2: Are Qiwei clamps resistant to chemical and acid vapor corrosion?

Yes! Our clamps are manufactured from high-purity die-cast alloys treated with protective chemical-resistant coatings or anodized finishes designed to withstand corrosive laboratory environments.

Q3: Do you support OEM custom branding and wholesale distributor pricing?

Yes, as a factory-direct manufacturer, we offer complete OEM/ODM custom branding, customized packaging, and tiered volume discounts for global laboratory equipment and hardware distributors.

Require Factory Direct Pricing or Custom Laboratory Hardware?

Get in touch with Hangzhou Qiwei Instrument today for technical consultation, rod sizing options, and competitive distributor pricing within 24 hours.

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Hangzhou Qiwei Instrument Co., Ltd. is one of the most reliable manufacturers and suppliers of cross clip in China, featured by quality products and good service. Please rest assured to buy bulk durable cross clip in stock here from our factory. We also accept customized orders.

cross clip