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Hex Expansion Anchor Bolts by ZCM - Zhongchun Machinery
Hex Expansion Anchor Bolts in four sizes by ZCM
Hex Expansion Anchor Bolt disassembled components by ZCM
Hex Expansion Anchor Bolts crossed view showing expansion sleeve by ZCM

Anchor Bolts

Hex Expansion Anchor Bolts

Hex Sleeve Anchors / Expansion Bolts

Our Hex Expansion Anchor Bolts are heavy-duty sleeve anchors designed for secure fastening into concrete, brick, stone, and masonry. The bolt assembly consists of four components: a hex flange head bolt, a 4-segment split expansion sleeve, a flat washer, and a cone nut. As the bolt is tightened, the cone is drawn into the sleeve causing it to expand and grip the inside of the drilled hole, creating a reliable mechanical anchor with excellent pull-out resistance.

Key Features

4-segment split sleeve for uniform expansion force
Hex flange head eliminates the need for a separate washer
High pull-out and shear resistance in concrete
Zinc-yellow chromate plating for corrosion protection
Easy installation with standard drill bit and wrench
Available in M6 through M20 diameters

Technical Specifications

Product NameHex Expansion Anchor Bolts (Sleeve Anchors)
Chinese Name六角膊胀螺栓
BrandZCM / Zhongchun
Grade4.8 / 8.8
MaterialCarbon Steel (bolt + expansion sleeve), Stainless Steel
Bolt DiameterM6, M8, M10, M12, M16, M20
Total Length50mm - 200mm (varies by diameter)
Expansion Diameter8mm - 25mm
Head TypeHex Flange Head
Expansion Type4-segment split sleeve with cone nut
Surface TreatmentZinc-Yellow Chromate Plating, Zinc Plated, HDG, Dacromet
StandardsGB /T 22795, Non-standard / Custom
ComponentsHex bolt, Expansion sleeve, Flat washer, Cone nut
Base MaterialConcrete, Brick, Stone, Masonry
PackagingCarton + Pallet, or per customer request
MOQContact us for details
Lead Time15-20 days for standard orders

Applications

Hex Expansion Anchor Bolts are essential for reliable structural anchoring into concrete and masonry across construction and industrial projects.

Concrete wall and floor structural anchoring
Steel frame and column base plate mounting
HVAC duct and equipment suspension
Electrical panel and cable tray installation
Handrail and balustrade post fixing
Curtain wall bracket anchoring
Heavy machinery and equipment foundation bolting
Plumbing pipe clamp and bracket support

Interested in Hex Expansion Anchor Bolts?

Send us your specifications for a competitive quote. Standard orders delivered in 15-20 days.