Custom Screw Supplier

Custom Sealing Screws

Hex Self Sealing Captive Bolts

Find Hex Self Sealing Captive Bolts Supplier and Manufacturer at Heatfastener, No matter stainless steel A2 A4,18-8, or titanium, aluminum, steel, brass, copper, or captive screw size M3, M4, M5, M6, M7, M8, M91 M10, M12, M14, M16, etc. Or slotted, Phillips, Hex, one way, Torx, Torx pin, Or Pan, Truss, Flat, Cheese, Round. you can rely on Heatfastener

  • Stainless steel
  • Size:M1, M2, M3, M4, M5, M6, M7 ,M8, M9, M10, M12, M14, M16
  • Machine thread
  • Head Type:Hex
  • Passivated
  • Not Slotted
  • Corrosion-Resistant
  • Hex self sealing captive bolts
  • Can customize as your drawing and design
  • Samples are available


An ordinary screw lacks seal protection, allowing dirt, fluids, gases, etc. to infiltrate and damage sensitive devices,Self sealing screws are used to prevent water, gas, and oil. which, with a standard fastening may penetrate or leak and cause damage. There is an o-ring sitting in the underhead grooved, the o- ring is good to an-ti loose, and dirt, gas, the oil will not able to affect the screw assemblies. With the yellow patch, after being assembled, the screws will be very difficult to remove since the yellow patch will fill up the little gaps of screws and nuts. Heatfastener is a professional sealing bolts supplier, with 20 years of industry experience.

MaterialStainless steel, copper, brass, titanium, aluminum, alloy steel
FinishPassivated, Coating, Dacromet, Nickel plating etc
PackagePlastic bag+Carton
SizeUS Size or Metric screws are available
StandardDIN, JIS,GB, ANSI..
ApplicationAutomotive, Machinery etc
PaymentT/T or Paypal
Screw Head TypeHex
Drive TypeCaptive thread
Sizefrom M1 to M16 or customized
Product type Hex Self Sealing Captive Bolts
Guaranteeone year
Thread typeHalf thread
Lead time20days
ServiceCustomized as customer’s drawing or requirements
Deliveryby sea or Express

Custom sealing screws and bolts are available

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About Us

Shenzhen Heat Hardware Co., Ltd is a leading custom screw manufacturer in China founded in 2000 years. We are specializing in custom screws, security screws, Sems screws, Chicago Screws, Weld Screws, Long screws, Micro Screws, Thumb Screws, Set Screws, Custom bolts, carriage bolts, nuts, and other custom Fasteners. With more than 20years of industry experience. We have serviced over 20000customers including the aerospace industry, automotive industry, electronics, mechanical and electrical products, robots, the Medical industry, communications industry, Outdoor sports products, smart appliances, etc. we can provide one-stop fastener customized service for you no matter what kind of custom fastener you need.

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