Captive Washer Screws（Mounting Hole Shape：Hex Socket）

• 

  Socket Head Cap Screws - with Standard Washer Set

  MISUMI

  New: 304 SS with loctite option is added. [June 2023]
  •Shape: Standard
  •Application: Standard
  •Strength Class(Steel): 10.9
  •Strength Class(Stainless): A2-70
  •Mounting Hole Shape: Hex Socket

  • Volume Discount
  • Degreasing

  • inCAD Components

  CAD ：

  2D / 3D

  Days to Ship:	Same day or more

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• 

  Hex Socket Cap Screw with Spring and JIS Flat Washer - M2 - M8, P=3【1-1,000 Pieces Per Package】

  Sunco

  [Product Specifications]
  [Material] Steel, Stainless steel
  Captive Screw Washers: Spring + JIS Flat Washers
  [Nominal Size] M2-M8
  [Surface Treatment] None, trivalent chromate, trivalent black, trivalent white, bright chromate plating, chromate plating, black chromate, nickel plating, chrome plating, tin cobalt, black paint
  

  • Volume Discount

  Days to Ship:	Same day or more

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• 

  Hex Socket Cap Screw with Flat Washer - Steel, Stainless Steel, M3 - M6【1-1,000 Pieces Per Package】

  Tomishin

  [Product Specifications]
  [Material] Equivalent to SCM Steel, SUS304 Stainless Steel
  [Surface Treatment] None, black Steel oxide coating, electroless nickel plating, trivalent chromate, trivalent black, trivalent white, bright chromate plating, chromate plating, black chromate, nickel plating, chrome plating, tin cobalt, black paint
  SEMS with JIS Flat Washer

  • Volume Discount

  CAD ：

  2D / 3D

  Days to Ship:	Same day or more

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• 

  Hex Socket Cap Screw with Spring and Flat Washer - M2 - M12【1-1,000 Pieces Per Package】

  Sunco

  [Product Specifications]
  [Material] Steel, Stainless steel
  [Surface Treatment] None, trivalent chromate, trivalent black, trivalent white, bright chromate plating, chromate plating, black chromate, nickel plating, chrome plating, Dacrotized, tin cobalt, black paint, anti-seizure coat
  I=3 (Spring Washer and ISO Flat Washer)

  • Volume Discount

  Days to Ship:	Same day or more

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• 

  Socket Head Cap Screws -with Large Washer Set

  MISUMI

  Bolt with Pre-assembled Large Diameter and Thick Washer. Convenient for Long Hole.

  • Lead Time Reduction

  • inCAD Components

  CAD ：

  2D / 3D

  Days to Ship:	9 Days or more

• 

  Socket Head Cap Screws - with Spring Washer

  MISUMI

  •Shape: Standard
  •Application: Standard
  •Strength Class(Stainless): A2-70
  •Surface Treatment: Barrel, Passivated
  •Mounting Hole Shape: Hex Socket

  • Volume Discount

  • inCAD Components

  CAD ：

  2D / 3D

  Days to Ship:	Same day or more

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• 

  Socket Head Cap Screws - with Flat Washer (Box)【200-500 Pieces Per Package】

  MISUMI

  Package-Deal Purchasing recommended for bolts of large volume use.

  • Volume Discount

  CAD ：

  2D / 3D

  Days to Ship:	8 Days or more

• 

  Hex Socket Cap Screw with Spring and Flat Washer - Steel, Class 10.9, M3 - M8【1-400 Pieces Per Package】

  Kyokuto Manufacturing

  No need to worry about forgetting to attach a washer during assembly work; prevents loss during machine repair and maintenance.

  • Volume Discount

  Days to Ship:	8 Days or more

• 

  Hex Socket Cap Bolt with Spherical Washer - Steel, M3 - M12【1-500 Pieces Per Package】

  Gosho Works

  [Product Specifications]
  [Material] Steel
  Loosening countermeasure for class 12.9 (tensile strength of 1200 N/m ㎡ or more) parts
  
  [Features]
  · Excellent vibration resistance is highly effective at preventing looseness.
  · An optimal washer is selected to eliminate sinking of the bearing surface, and also achieve a suitable bolt tightening torque, so dimensional variation is limited even when high axial torque is applied.
  · The washer need not be assembled with the bolt, which improves workability and lowers the fastening cost.

  • Volume Discount

  Days to Ship:	Same day or more

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• 

  Hex Socket Cap Screw with Spherical Washer - Steel, Class 12.9, Black Oxide, M4 - M10【1-2,000 Pieces Per Package】

  Nissan Screw

  [Product Specifications]
  [Material] 4137 Alloy Steel
  Since a serrated conical disc spring washer is installed, this does not scratch fastened members like conventional spring washers.
  
  [Features]
  · A 12.9 high strength bolt with washer included.
  · The bolt washer is also reinforced via special processing.
  · Since a serrated conical disc spring washer is installed, this does not scratch fastened members like conventional spring washers.
  · Stable thanks to the low torque coefficient.
  · The serrated conical disc spring washer does not co-rotate with bolts, helping mitigate friction on the washer.
  · The parts have been integrated.
  · A washer is included in the bolt, so they can be handled as one part.
  NH Safety Socket

  • Volume Discount

  Days to Ship:	8 Days or more

• 

  Hex Socket Cap Screw with Spring Washer - Steel, M3 - M12【1-1,000 Pieces Per Package】

  Nissan Screw

  [Product Specifications]
  [Features]
  · Embedded washer with sectional dimensions and shape identical to general use products specified for JISB1251 “Spring Washer” in JISB1176 “Hexagonal Socket Head Bolt, 10.9 Strength Classification” but with different inner and outer diameters.
  · The mechanical characteristics of the embedded “Spring Washer” comply with JIS standards.
  · As far as the strength classification of 10.9 of the bolt is concerned, trouble caused by plating is reduced.
  · WA Socket S Type
  · Nominal Size: M3 - M12

  • Volume Discount

  Days to Ship:	8 Days or more

• 

  Hex Socket Cap Screw with Spring and Flat Washer - M5 - M8【1-500 Pieces Per Package】

  Okai Iron Works

  [Product Specifications]
  [Material] Steel Stainless steel
  [Surface Treatment] None, black Steel oxide coating, trivalent chromate, trivalent black, trivalent white, bright chromate plating, chromate plating, chromate plating, black chromate, nickel plating, chrome plating, tin cobalt
  P=3(SW+JIS Flat Washers)

  • Volume Discount

  Days to Ship:	8 Days or more

• 

  Hex Socket Cap Screw with Spring and Flat Washer - Stainless Steel, M5 - M12, P=3【1-500 Pieces Per Package】

  Sunco

  [Product Specifications]
  · Detailed Shape: Standard
  · Drive Style: Hex Socket
  · Basic Shape: Standard (round)
  · Material: Stainless steel
  · Thread Ridge Type: Metric coarse
  · Tip Shape: Flat end
  Captive Screw Washers: Spring + JIS Flat Washers
  · Application: Standard
  · Thread: M5, M6, M8, M10, M12
  · Length (mm): 10, 12, 14, 15, 16, 18, 20, 25, 30, 35, 40, 45, 50
  · Pitch (mm): 0.8, 1, 1.25, 1.5, 1.75
  · Surface Treatment: None, black paint
  · Sales Unit: Low quantity (available for purchase from 1pc), box and package.

  • Volume Discount

  Days to Ship:	8 Days or more

• 

  Hex Socket Cap Screw with Spring and Flat Washer - Steel, Stainless Steel, M3 - M12【1-1,000 Pieces Per Package】

  Nissan Screw

  [Product Specifications]
  [Material] Steel, Stainless steel
  [Nominal Size]M3 - M12
  [Surface Treatment] Black Steel oxide coating, trivalent chromate, trivalent black, trivalent white, bright chromate plating, chromate plating, black chromate, nickel plating, chrome plating, tin cobalt
  WA Socket SP Type

  • Volume Discount

  Days to Ship:	Same day or more

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• 

  Hex Socket Cap Screw with Spherical Washer - Steel, Class 10.9, M3 - M10【1-1,000 Pieces Per Package】

  Nissan Screw

  [Product Specifications]
  [Detailed Shape] Knurled
  [Mounting Hole Shape] Hex Socket
  [Basic Shape] Standard (Round)
  [Material] Steel
  [Thread Type] Metric Coarse
  [Tip Shape] Flat End
  [Nominal Thread (M)] 3, 4, 5, 6, 8, 10
  [Length L or l (mm)] 6, 8, 10, 12, 14, 15, 16, 18, 20, 25, 30, 35
  [Pitch (mm)] 0.5, 0.7, 0.8, 1, 1.25, 1.5
  [Surface Treatment] Black Steel Oxide Coating, Trivalent Chromate, Trivalent Black, Trivalent White, Uni-Chromate Plating, Chromate Plating, Chromate Plating, Black Chromate, Nickel Plating
  [Sales Unit] Individual (Available for Purchase as 1pc), Box and Packaging
  NH Safety Socket

  • Volume Discount

  Days to Ship:	8 Days or more

• 

  Hex Head Bolt with Spring and Flat Washer - Steel, Class 10.9, Black Oxide, M6 - M10, I-3

  Yura

  [Product Specifications]
  [Material] Steel
  [Surface Treatment] Black Oxide Finish
  This product uses SCM hex bolts and 40–50 HRC spring washers.
  Spring washers/rounds with embedded metal and S55C circular washers
  These washer insert sizes are designed to prevent forgotten washer insertion and decrease time and effort. They are inserted into conventional Steel washers. The inner diameter is therefore smaller than the nominal diameter.
  This new product is optimal for use in parts that lack strength.

  • Volume Discount

  Days to Ship:	14 Days or more

• 

  Socket Head Cap Screws - with Spring Washer (Box)【200-500 Pieces Per Package】

  MISUMI

  Package-Deal Purchasing recommended for bolts of large volume use.

  • Volume Discount

  CAD ：

  2D / 3D

  Days to Ship:	8 Days or more

• 

  Hex Socket Cap Screw with Spring Washer - Steel, Class 10.9, M3 - M10【1-400 Pieces Per Package】

  Kyokuto Manufacturing

  [Product Specifications]
  · Material: 4137 Alloy Steel
  · Prevents loss of washers during machine repair and maintenance.

  • Volume Discount

  Days to Ship:	Same day or more

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• 

  Hex Socket Cap Bolt with ISO Flat Washer - Steel, Stainless Steel, M3 - M6【1-1,000 Pieces Per Package】

  Tomishin

  [Product Specifications]
  [Material] Equivalent to SCM Steel, SUS304 Stainless Steel
  [Surface Treatment] None, black Steel oxide coating, trivalent chromate, trivalent black, trivalent white, bright chromate plating, chromate plating, black chromate, nickel plating, chrome plating, tin cobalt, black paint

  • Volume Discount

  CAD ：

  2D / 3D

  Days to Ship:	Same day or more

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• 

  Hex Socket Cap Bolt with External Tooth Washer - Steel, Black Oxide, M3 - M12【1-100 Pieces Per Package】

  Gosho Works

  [Product Specifications]
  [Material] Steel
  [Surface Treatment] Black Oxide Finish
  Loosening countermeasure for class 12.9 (tensile strength of 1200 N/m ㎡ or more) parts
  
  [Features]
  · Excellent vibration resistance is highly effective at preventing looseness.
  · An optimal washer is selected to eliminate sinking of the bearing surface, and also achieve a suitable bolt tightening torque, so dimensional variation is limited even when high axial torque is applied.
  · The washer need not be assembled with the bolt, which improves workability and lowers the fastening cost.

  • Volume Discount

  Days to Ship:	8 Days or more

• 

  Hex Socket Cap Screw with Spring and Flat Washer - Steel, Trivalent Chromate, M3 - M12【1-1,000 Pieces Per Package】

  Nissan Screw

  [Product Specifications]
  Material: 4137 Alloy Steel
  Nominal Size: M3-M12
  Trivalent chromate products are also available in addition products in the catalog.
  
  [Features]
  · Spring washer and flat washer embedded in a hexagonal socket head bolt that conforms to P type use location specifications.
  · Ideal when a loosening resistance effect utilizing spring reaction force is required, especially when tightening to a target object is not possible.
  WA Socket SP Type

  • Volume Discount

  Days to Ship:	8 Days or more

• 

  Hex Socket Button Head Screw with Spring Washer - Stainless Steel, M5

  Tomishin

  [Product Specifications]
  [Nominal Thread (M)] 5
  [Length L (mm)] 8
  [Pitch (mm)] 0.8
  [Detailed Shape] Button
  [Drive Style] Hex Socket
  [Basic Shape] Standard (Round)
  [Material] Stainless steel
  [Surface Treatment] None
  [Thread Ridge Type] Metric coarse
  [Tip Shape] Flat End
  [Sales Unit] Minimum Quantity (Available for Purchase from 1 pc)
  [Application] Standard
  P=2 (Spring Washer)

  • Volume Discount

  Days to Ship:	8 Days or more

• 

  Hex Socket Cap Screw with Spring Washer - Steel, Stainless Steel, M2 - M8【1-1,000 Pieces Per Package】

  Tomishin

  [Product Specifications]
  [Material] Steel, Stainless steel
  [Surface Treatment] None, trivalent chromate, trivalent black, trivalent white, bright chromate plating, chromate plating, black chromate, nickel plating, chrome plating, tin cobalt, black paint
  P-2 (Spring Washer)

  • Volume Discount

  Days to Ship:	Same day or more

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• 

  Hex Socket Cap Screw with Wave Washer - Steel, Stainless Steel, M3 - M8【100-500 Pieces Per Package】

  ANSCO

  [Product Specifications]
  [Material] Steel, Stainless Steel
  [Surface Treatment] None, black Steel Oxide Coating

  • Volume Discount

  Days to Ship:	8 Days or more

• 

  Hex Socket Cap Screw with Spring Washer - Steel, M6 - M10【100-200 Pieces Per Package】

  Nippon Byora

  [Detailed shape] Standard
  [Mounting hole dimensions] Hex Socket
  [Basic shape] Standard (Round)
  [Materials] Steel
  [Surface treatment] Black iron oxide coating
  [Thread ridge type] Metric coarse
  [Tip shape] Flat End
  [Sales unit] Box/package
  [Application] Standard
  [Nominal Thread (M)] 6 8 10
  [Length L (mm)] 15 20 25 30 35 40
  [Pitch (mm)] 1 1.25 1.5

  • Volume Discount

  Days to Ship:	8 Days or more

• 

  Hex Socket Cap Screw with Spring and Small Flat Washer - M2 - M8【1-1,000 Pieces Per Package】

  Tomishin

  [Product Specifications]
  [Material] Steel, Stainless steel
  [Surface Treatment] None, black Steel oxide coating, trivalent chromate, trivalent black, trivalent white, uni-chromate plating, chromate plating, black chromate, nickel plating, black nickel, chrome plated, tin cobalt, black paint
  P=4 (SW + JIS Small Flat Washers)

  • Volume Discount

  Days to Ship:	8 Days or more

• 

  Hex Socket Cap Screw with Small Flat Washer - Steel, Stainless Steel, M3 - M6【1-1,000 Pieces Per Package】

  Sunco

  [Product Specifications]
  [Material] Steel, Stainless steel
  [Surface Treatment] None, trivalent chromate, trivalent black, trivalent white, bright chromate plating, chromate plating, chromate plating, black chromate, chrome plating, tin cobalt, black paint
  PK = 1 (JIS Small Flat Washer)

  • Volume Discount

  Days to Ship:	8 Days or more

• 

  Hex Socket Cap Screw with Spring and Small Flat Washer - M2 - M6【1-1,000 Pieces Per Package】

  Tomishin

  [Product Specifications]
  [Material] Steel, Stainless steel
  [Surface Treatment] None, black Steel oxide coating, trivalent chromate, trivalent black, trivalent white, bright chromate plating, chromate plating, black chromate, nickel plating, chrome plating, tin cobalt, black paint
  I=4 (SW + ISO Small Flat Washers)

  • Volume Discount

  Days to Ship:	8 Days or more

• 

  Hex Socket Cap Screw with Spring Washer - Steel, Stainless Steel, M3 - M12【1-1,000 Pieces Per Package】

  Nissan Screw

  [Product Specifications]
  [Material] Steel, Stainless steel
  [Surface Treatment] Black Steel oxide coating, trivalent chromate, trivalent black, trivalent white, bright chromate plating, chromate plating, black chromate, nickel plating, chrome plating, tin cobalt
  WA Socket S Type

  • Volume Discount

  Days to Ship:	8 Days or more

• 

  Hex Socket Cap Screw with External Tooth Washer - Steel, Class 12.9GT, Black Oxide, M5/M6【1-500 Pieces Per Package】

  Gosho Works

  High strength bolt of strength classification 12.9GT. The seat of the washer is serrated to prevent loosening.

  • Volume Discount

  Days to Ship:	8 Days or more

• 

  10.9 Hexagon Trimmer Sems P-2 Black Oxide Film

  Yura

  This product uses SCM hex bolts and 40 - 50 HRC spring washers.
  Spring washers/round washers with embedded metal and S55C circular washer
  These washer insert sizes are designed to prevent forgotten washer insertion and for reducing the time and effort required to insert them. They are also used for inserting into conventional iron washers. The inner diameter is therefore smaller than the nominal diameter.
  This new product is ideal for use in parts which lack strength.

  • Volume Discount

  Days to Ship:	14 Days or more

• 

  Hex Socket Cap Screw with Spring and Flat Washer - Steel, Stainless Steel, M3 - M6

  Trusco Nakayama

  [Product Specifications]
  [Material] Equivalent to 4137 Alloy Steel, Equivalent to SUS304
  · There is no need to set washers or spring washers.
  · Can be tightened with a hex wrench; ideal for machine assembly.
  · Comes with a washer/spring washer to prevent screws from loosening.
  Available with various finish options

  • Volume Discount

  Days to Ship:	8 Days or more

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