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COUNTERSUNK BOLTS

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COUNTERSUNK BOLTS.

A common use is to allow the head of a countersunk bolts, screw or rivet, when placed in the hole, to sit flush with or below the surface of the surrounding material (by comparison, a counterbore makes a flat-bottomed hole that might be used with a socket-head cap-screw. A Countersink is a conical hole cut into a manufactured object, or the cutter used to cut such a hole.

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Description

COUNTERSUNK BOLTS.

A common use is to allow the head of a countersunk bolts, screw or rivet, when placed in the hole, to sit flush with or below the surface of the surrounding material (by comparison, a counterbore makes a flat-bottomed hole that might be used with a socket-head cap-screw. A Countersink is a conical hole cut into a manufactured object, or the cutter used to cut such a hole.

A countersunk bolt also available in stainless or carbon steel screw for fastening wood, metal, or other materials to concrete or masonry. Concrete screws are commonly blue in color, with or without corrosion coating. They may either have a Phillips flat head or a slotted hex washer head.

A countersunk bolt or screws is a type of fastener, in some ways similar to a bolt (see Differentiation between bolt and screw below), typically made of metal, and characterized by a helical ridge, known as a male thread (external thread). Screws are used to fasten materials by digging in and wedging into a material when turned, while the thread cuts grooves in the fastened material that may help pull fastened materials together and prevent pull-out. There are many screws for a variety of materials; those commonly fastened by screws include wood, sheet metal, and can be in plastic.

 

Additional information

Sizes: 

#8 X 2-1/2″, #8 X 2″, #8 X 3″, #8 X 3/4″, 1 INCH, 1-1/2″, 1-1/4″, 1″, 1/2″, 1/2″, 1/4″, 3/4″, 5/16″, 5/8″, 7/8″, M10, M12, M14, M16, M18, M20, M22, M24, M27, M3, M30, M4, M5

Grade: 

10.9, 12.9, 304, 316, 316L, 8.8, A2 80, A2-70, A4-70, A4-80, GR5, GR8

Length: 

100mm, 10mm, 110mm, 120mm, 130mm, 140mm, 150mm, 160mm, 170mm, 180mm, 190mm, 200mm, 20mm, 210mm, 220mm, 230mm, 240mm, 250mm, 25mm, 260mm, 270mm, 280mm, 290mm, 300mm, 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm, 65mm, 70mm, 75mm, 80mm, 85mm, 90mm, 95mm

Coating: 

BLACK, GI, HOT DIP GALVANIZED, SELF FINISH, YELLOW

PITCH Type: 

COARSE, FINE

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There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.

Description

COUNTERSUNK BOLTS.

A common use is to allow the head of a countersunk bolts, screw or rivet, when placed in the hole, to sit flush with or below the surface of the surrounding material (by comparison, a counterbore makes a flat-bottomed hole that might be used with a socket-head cap-screw. A Countersink is a conical hole cut into a manufactured object, or the cutter used to cut such a hole.

A countersunk bolt also available in stainless or carbon steel screw for fastening wood, metal, or other materials to concrete or masonry. Concrete screws are commonly blue in color, with or without corrosion coating. They may either have a Phillips flat head or a slotted hex washer head.

A countersunk bolt or screws is a type of fastener, in some ways similar to a bolt (see Differentiation between bolt and screw below), typically made of metal, and characterized by a helical ridge, known as a male thread (external thread). Screws are used to fasten materials by digging in and wedging into a material when turned, while the thread cuts grooves in the fastened material that may help pull fastened materials together and prevent pull-out. There are many screws for a variety of materials; those commonly fastened by screws include wood, sheet metal, and can be in plastic.

 

Additional information

Sizes: 

#8 X 2-1/2″, #8 X 2″, #8 X 3″, #8 X 3/4″, 1 INCH, 1-1/2″, 1-1/4″, 1″, 1/2″, 1/2″, 1/4″, 3/4″, 5/16″, 5/8″, 7/8″, M10, M12, M14, M16, M18, M20, M22, M24, M27, M3, M30, M4, M5

Grade: 

10.9, 12.9, 304, 316, 316L, 8.8, A2 80, A2-70, A4-70, A4-80, GR5, GR8

Length: 

100mm, 10mm, 110mm, 120mm, 130mm, 140mm, 150mm, 160mm, 170mm, 180mm, 190mm, 200mm, 20mm, 210mm, 220mm, 230mm, 240mm, 250mm, 25mm, 260mm, 270mm, 280mm, 290mm, 300mm, 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm, 65mm, 70mm, 75mm, 80mm, 85mm, 90mm, 95mm

Coating: 

BLACK, GI, HOT DIP GALVANIZED, SELF FINISH, YELLOW

PITCH Type: 

COARSE, FINE

Reviews

There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.