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Counterbore & Countersink

Counterbore & Countersink Lookup Tool

counterbore hole
countersink hole

Standard :

Type :

Size :

Fit :

Result unit

Decimal places

Data not found

Counterbore diameter D1 :

D1 =

0.000

mm

Screw clearance hole diameter D2 :

D2 =

0.000

mm

Counterbore depth :

H =

0.000

mm

Countersink angle :

A =

0.000

degree

Counterbore & Countersink Standard

ANSI Inch

  • Counterbore: Binding Head Screw, Fillister Head Screw, Heavy Hex Bolt, Hex Bolt, Hex Finished Bolt, Hex Screw, Hex Washer Screw, Pan Cross Head, Pan Slot Head, Socket Button Head Cap Screw, Socket Head Cap Screw, Socket Head Shoulder Screw, Square Head Bolt, Truss Head Screw
  • Countersink: Flat Head Screw (100), Flat Head Screw (82), Oval Head, Socket Countersunk Head Cap Screw

ANSI Metric

  • Counterbore: Hex Bolt – ANSI B18.2.3.5M, Hex Cap Screw – ANSI B18.2.3.1M, Hex Screw – ANSI B18.6.7M, Pan Cross Head – ANSI B18.6.7M, Pan Slotted Head – ANSI B18.6.7M, Socket Button Head Cap Screw – ANSI B18.3.4M, Socket Head Cap Screw – ANSI B18.3.1M, Socket Head Shoulder Screw – ANSI B18.3.3M
  • Countersink: Flat Head Screw – ANSI B18.6.7M, Oval Head Screw – ANSI B18.6.7M, Socket Countersunk Head Cap Screw – ANSI B18.3.5M

AS

  • Counterbore: Cheese Head Screw AS/NZS 1427, Hex Bolt Grade C AS 1111.1, Hex Screw Grade C AS 1111.2, Hexagon Head Bolt Grades AB AS 1110.1, Hexagon Head Screw Grades AB AS 1110.2, Hexagon Socket Head Cap Screw AS 1420, High-Strength Steel Bolt AS-NZS 1252, Mushroom Head Screw AS/NZS 1427, Pan Cross Head Screw AS/NZS 1427, Pan Slotted Head Screw AS/NZS 1427, Unified Hexagon Bolt AS/NZS 2465, Unified Hexagon Screw AS/NZS 2465
  • Countersink: Cross Countersunk Head Screw AS/NZS 1427, Raised Cross Countersunk Head Screw AS/NZS 1427

BSI

  • Counterbore: Hex Bolt Grade C – BS EN 24016, Hex Screw Grade AB – BS EN 24017, Hex Screw Grade C – BS EN 24018, Hex Socket Head – BS EN ISO 4762, Pan Head Cross Recess – BS EN ISO 7045, Slotted Cheese Head – BS EN ISO 1207
  • Countersink: CTSK Flat – BS EN ISO 7046-1, CTSK Raised Head – BS EN ISO 7047, Hex Socket CTSK Head – BS EN ISO 10642

DIN

  • Counterbore: Hex Bolt Grade C – DIN EN 24016, Hex Flange Bolt – DIN 6921, Hex Screw Grade AB – DIN EN 24017, Hex Screw Grade C – DIN EN 24018, Hex Socket Head (Fine) – DIN 912, Hex Socket Head – DIN 6912, Hex Socket Head – DIN 7984, Hex Socket Head – DIN 912, Hex Socket Head Cap – EN ISO 4762, High-strength Hex Bolt – DIN 6914, Pan Head Cross Recess – DIN EN ISO 7045, Slotted Cheese Head – DIN EN ISO 1207
  • Countersink: CTSK Flat – DIN EN ISO 7046-1, CTSK Raised Head – DIN EN ISO 7047, Hex Socket CTSK Head – DIN 7991, Hex Socket CTSK Head – EN ISO 10642

GB

  • Counterbore: Hex head bolt-Full thread-Grades AB GB/T5783-2000, Hex head bolts GB/T5782-2000, Hex head bolts-Full thread-Grade C GB/T5781-2000, Hex head bolts-Grade C GB/T5780-2000, Hexagon lobular socket head cap screws-GB/T 6191-1986, Hexagon lobular socket head cap screws-GB/T6190-1986, Hexagon socket head cap screws GB/T 70.1-2000, Slotted cheese head screws GB/T 65-2000
  • Countersink: Cross recessed countersunk head tapping screws GB/T 846-1985, Cross recessed countersunk head wood screws GB/T 951-1986, Cross recessed raised countersunk head GB/T 847-1985, Cross recessed raised countersunk head wood screws GB/T952-1986, Hexagon lobular socket countersunk head GB/T2673-1986, Hexagon lobular socket raised countersunk head GB/T2674-1986, Slotted countersink head wood screws GB/T100-1986, Slotted countersunk head tapping screws GB/T 5283-1985, Slotted raised countersunk head screws GB/T 69-2000, Slotted raised countersunk head tapping screws GB/T 5284-1985, Slotted raised countersunk head wood screws GB/T101-1986

IS

  • Counterbore: Cross Recess Pan Head Screw IS 7483, Hexagon Head Bolt (Grade C) IS 1363(Part1), Hexagon Head Screw (Grade A) IS 1364(Part2), Hexagon Head Screw (Grade B) IS 1364(Part2), Hexagon Head Screw (Grade C) IS 1363(Part2), Slotted Cheese Head Screw IS 1366, Socket Head Cap Screw IS 2269
  • Countersink: Cross Recess Flat Head Screw IS 7485, Cross Recess Raised Head Screw IS 7486

ISO

  • Counterbore: Hex Bolt Grade C ISO 4016, Hex Screw Grade AB ISO 4017, Hex Screw Grade C ISO 4018, Hex Socket Head ISO 4762, Pan Head Cross Recess ISO 7045, Slotted Cheese Head ISO 1207
  • Countersink: CTSK Flat ISO 7046-1, CTSK Raised Head ISO 7047, Hex Socket CTSK Head ISO 10642

JIS

  • Counterbore: Cross Pan Head JIS B 1111p1, CT Bolt Grade C JIS B 1180p8, Hex Socket Button Head JIS B 1174, Hex Socket Head Cap JIS B 1176, Hex Socket Head Shoulder JIS B 1175, ND Bolt Grade A JIS B 1180p3, ND Bolt Grade C JIS B 1180p7, Slotted Cheese Head JIS B 1101p1, Slotted Fillister Head JIS B 1101a8
  • Countersink: Cross Flat CTSK JIS B 1111p2, Cross Raised CTSK JIS B 1111p4

KS

  • Counterbore: Cheese Slotted Head KS B 1021, Hexagon Head Bolt (Grade A) KS B 1002, Hexagon Head Bolt (Grade B) KS B 1002, Hexagon Head Bolt (Grade C) KS B 1002, Socket Head Cap Screw KS B 1003
  • Countersink: Flat Cross Head Screw KS B 1023, Raised Cross Head Screw KS B 1023