DIN/ ISO Standard

DIN 965, DIN 604, DIN 963, DIN 7991, ISO 10642

Countersunk Screw Size Metric

• Dia: M10 - M110
• Length: 12 - 1200MM

Countersunk Screw Size Inch

• Dia: 1/2" - 4.0"
• Length: 1/2" - 52"

Length

3 mm to 200 mm

Dimensions

ASME B18.6.3 **Exception: Countersunk Screw 6 inches and shorter are fully threaded.

Standard

IS, ANSI, ASTM, DIN, ISO, JIS, GB, ASME, BS, UNI, CSN, EU, IFI, PN, and all International Standards

• ANSI B 18.2.4 2M
• ANSI B 28.2.4 1M
• ANSI - American National Standards Institute
• GB/T5783, GB/T5782, GB5783
• ASME American
• IS Indian
• ISO International
• SAE American
• DIN German
• CSN Spanish
• BS British
• UNI Italian
• PN Polish
• EU European

SS Countersunk Screw British standards

• BS 6105 A2-70
• BS 6105 A4-70
• BS 6105 A4-80
• BS 6105 A2-50

Stainless Steel Countersunk Screw Size

• CNC Machining for M100 / 4” Dia, up to 1500mm lg
• Cold Forming process: M2-M24
• Hot Forging process: M24-M100, 1-1/2” Dia, up to 1100mm lg

Manufacturing M2, M3, M3.5, M4, M5, M6, M8, M10, M12, M14, M16, M18, M20, M22, M24, M27, M30, M33, M36, M42, M45, M48 to M160 and Custom Metric Stainless Steel Countersunk Screw

Stainless Steel Countersunk Screw US Threads

Unified national fine (UNF), METRIC, BSW, BSF, Unified national coarse (UNC), Unified national extra fine (UNEF), UNJC and UNJF threads, UNK threads, UNR threads, Constant-pitch threads

UTS - Unified Thread Standard

UNC, UNS, UNEF, UNF, NPT, NPTF

Metric Countersunk Screw Tolerances

+/-0.01mm to +/-0.05mm

Head drive

Phillips/Slot, Slotted, Six-Lobe, Phillips, etc

Countersunk Screw Surface Finish

Stainless steel: Passivated, Self-Colour, black oxide, Zinc (yellow, blue, white, black),Dacroment, anodizing, plated zinc-nickel, nickel plated, Geometry, Hot Dip Galvanised (HDG), Sherardized, Bright Zinc Plated (BZP), Mechanically Applied coating and some special one like DACROMET

Finish/ Passivation of Stainless Steel Countersunk Screw

Accordance to ASTM A380/A380M

Countersunk screw manufacturer in India use these process

Cold Heading, Heat Treatment, Wire Drawing, Insert tapping, Inspection, Surface Plating, Packing

Material Origin

Stainless Steel Countersunk Screw are Western European. Eastern origin possible on request.

Manufacturing Types

• Countersunk square neck bolt
• DIN 608 – Countersunk Square Bolts (Short Neck)
• DIN 604 - Flat Countersunk Nip Bolts With Hex Nuts
• DIN 605 - Flat Countersunk Square Neck Bolts

Countersunk Screw Surface treatment

• Anodizing
• Passivation
• Sand blasting
• Heat-disposing
• Polish
• Rust preventive oil
• Black oxide coating
• Hot dip galvanized
• Electroplating color (blue, black zinc, white, Ni, Cr, copper, tin, silver)

Top Manufacturers

Omni, APL, Unbrako, Kundan, Deepak Fasteners, Sundaram Precision, Infasco, Caparo, EBY Fastener, SPAX® Screws, GKW Etc.

Stainless Steel Countersunk Screw marking and Packing

• Countersunk Screw Marking as per product specification
• Wooden Pallet, Canton, Carton / Small Box or as required
• Carton size : 36* 24 *16 CM & 36 *24 *12 CM  or as required
• Pallet size: Standard Euro Pallet 110* 80 *90 CM

Stainless Steel Countersunk Screw Surface Coating

• Ptfe Coated Countersunk Screw
• Hot Dipped Galvanized
• Phosphate
• Teflon
• Xylon
• Zinc Phosphate
• Manganese Phosphate
• Zinc Electro Plating (Hexavalent or Trivalent Chrome)
• ZAC (Zinc Alluminium Flake Coating)
• Cadmium

All Countersunk Screw surface finishes can be supplied including Galvanised, Zinc, Sherardized, Dacromet, Electroless Nickel, Geomet & PTFE.

Why Parmanu Dhatu Nigam?

• Based in India, established in Year 2008
• Wide International network : Western Europe, Eastern Europe, Middle East, Southeast Asia, North America, and South America
• Best Price in India compared to China
• Highly professional and technical team
• Always final Inspection before shipment
• Pre-production Countersunk Screw sample before mass production
• High precision threads

MOQ

5 pieces

Preferred Countersunk Screw Drawing Formats

JPEG, PDF, CAD, STP, IGS

Free Samples

Yes

Port of Dispatch

Mumbai or Kalamboli ports in Maharashtra state of India

Test Certificates

• Manufacturer Test Certificate (MTC) as per EN 10204 / 3.1,
• Countersunk Screw Tensile testing to ISO 898-1
• Hardness testing to ISO 6508-1
• Suitability for preloading to EN 14399-2
• Tri-Roll Thread Comparators
• Countersunk Screw Charpy Impact testing in accordance with ISO 148-1
• Suitability test for calibrated preload to EN 14399-10
• Nut proof load testing to ISO 898-2
• Calibrated gauges and tools

Delivery time

Regular product is about 7-15 days, custom product will according to special requirement

Payment Terms

T/T, Western Union, Paypal, L/C or Trade Assurance 30% deposit & balance before shipping

Common Countersunk Screw material grades

• Stainless Steel Countersunk Screw: 304, 316, 316L, 2205, 410, 431, 416, 440C, 18-8, 4.8, 8.8, A2, A4, A2-50, A2-70, A2-80, A4-50, A4-70, A4-80, A193 B8M, A193 B6, A193 B7m, A193 B8 Countersunk Screw
• Carbon Steel Countersunk Screw : A193 Grade B7, A320 L7
• Alloy steel Countersunk Screw: SCM435, C10B21, C10B33, ASTM A193 Grade B16
• High Tensile Countersunk Screw: 10.9 Grade, 12.9 Grade, 8.8 Grade Countersunk Screw
• Brass Countersunk Screw: C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200CuZn37), C28000(CuZn40)
• Bronze Countersunk Screw: C51000, C52100, C54400 etc
• Aluminum Countersunk Screw: Al6061, Al6063 etc
• Titanium Countersunk Screw: TAD, TA1-TA8, TB2, TC1-TC10

Find our dealers & distributors of Stainless Steel Countersunk Screw 

Vadodara, Bhubaneswar, Courbevoie, Abu Dhabi, Brisbane, Seoul, Indore, Dammam, Hyderabad, Sharjah, Coimbatore, Mumbai, Kuwait, Istanbul, Melbourne, Rajkot, Port-of-Spain, London, Lucknow, Khobar, Jamshedpur, Bengaluru, Kuala Lumpur, Surat, Santiago, Jakarta, Thiruvananthapuram, Gimhae-si, Howrah, Tau, Dhaka, Kochi, Panipat, Ludhiana, Mexico, Muscat, Houston, Chennai, Vung Granada, Mysuru, Patna, Montreal, Thane, Vapi, Caracas, Shah Alam, Nashik, Jaipur, Bangalore, Karachi, Gujarat, Noida, Agra, Baroda, Ranchi, Kolkata, Janeiro, Pune, Navi Mumbai, Ernakulam, Ankara, Dubai, Bogota, Tehran, New Delhi, Singapore, Lagos, India, Nagpur, Ahvaz, Sydney, Gurgaon, Calgary, Riyadh, Ahmedabad, Pimpri-Chinchwad, Manama, Doha, Kanpur, Perth

Countersunk Screw Application and Uses

Industrial, Wind tower, Railway, Nuclear power, Construction, Electronic, and Automotive industry

ISO - International Organization for Standardization

• ISO 4014 Hex Bolt
• ISO 4017 Hex Head Screw
• ISO 4032 Nut
• ISO 4162 Flange Bolts
• ISO 4161 Flange Nut

Products

FOB Price US US $

Stainless Steel Screw Countersunk and Countersunk Head Drill Tail Dovetail Screw

US $0.01-US $0.02/ Piece

r 304 / 316 Stainless Steel Countersunk Head Cross Groove, Finish Plain

US $0.09-US $0.10/ Piece

Stainless Steel Countersunk Screw, Metric

US $0.01-US $0.03/ Piece

Raised countersunk head Self Tapping screws

US $0.01-US $0.03/ Piece

M1 M2 M3 M4 M5 M6 M8 M10 T6 T8 T10 T15 T20 T25 T30 Flat head torx Countersunk stainless steel screw

US $0.02-US $0.10/ Piece

DIN7982 Stainless Steel cross recessed countersunk head self-tapping screw, Zinc Plated

US $0.01/ Piece

din7991 Stainless steel hex socket countersunk flat head screws, Plain, Zinc Finish

US $0.03/ Piece

Din965 M1.0 M1.2 M1.4 M1.6 phillips countersunk head machine screws, Finish Passivation

US $0.001-US $0.01/ Piece

316 stainless steel countersunk screw and m3 m3.5 m4 m6 m7 SS csk screw

US $0.03-US $0.42/ Piece

stainless steel raised head countersunk screw, pozi drive chipboard screw

US $0.005-US $0.015/ Piece

self drilling SS countersunk decking screw

US $4.70-US $5.10/ Kilogram

304/316/410 Stainless steel countersunk csk screws, flat head & Self Tapping

US $0.01-US $0.03/ Piece

Dimensions

Preloads Fv (kN) for property class

Tightening torque MA (Nm) for property class

8.8

10.9

8.8

10.9

M4

3.10

4.40

2.6

3.4

M5

5.10

7.30

5.6

6.7

M6

7.20

10.30

9.6

11.6

M8

13.20

18.90

23

28.3

M10

21.00

30.10

46

56.0

M12

30.70

43.90

81

96.8

M14

42.00

60.30

125

154.0

M16

58.00

82.70

195

239.0

M18

72.80

100.90

275

332.0

M20

93.60

129.40

390

468.0

P

0,5

0,7

0,8

1

1,25

1,5

1,75

2

2

2,5

2,5

2,5

3

a

2°

90°

60°

0

b

l?125mm

12

14

16

18

22

26

30

34

38

42

46

50

54

125

-

-

-

24

28

32

36

40

44

48

52

56

60

l>200mm

-

-

-

-

-

45

49

53

57

61

65

69

73

c

approx.

0,2

0,3

0,3

0,3

0,4

0,5

0,5

0,5

0,5

0,5

0,5

1

1

dk

nominal=max.

6

8

10

12

16

20

24

27

30

33

36

36

39

min.

5,7

7,64

9,64

11,57

15,57

19,48

23,48

26,48

29,48

32,38

35,38

35,38

38,38

da

max.

3,6

4,7

5,7

6,8

9,2

11,2

13,7

15,7

17,7

20,2

22,4

24,4

26,4

ds

nominal=max.

3

4

5

6

8

10

12

14

16

18

20

22

24

min.

2,86

3,82

4,82

5,82

7,78

9,78

11,73

13,73

15,73

17,73

19,67

21,67

23,67

e

min.

2,3

2,87

3,44

4,58

5,72

6,86

9,15

11,43

11,43

13,72

13,72

16

16

k

max.

1,7

2,3

2,8

3,3

4,4

5,5

6,5

7

7,5

8

8,5

13,1

14

r

min.

0,1

0,2

0,2

0,3

0,5

0,5

1

1

1

1

1

1

1,6

s

nominal

2

2,5

3

4

5

6

8

10

10

12

12

14

14

min.

2,02

2,52

3,02

4,02

5,02

6,02

8,025

10,025

10,025

12,032

12,032

14,032

14,032

max.

2,1

2,6

3,1

4,12

5,14

6,14

8,175

10,175

10,175

12,212

12,212

14,212

14,212

t

nominal=max.

1,2

1,8

2,3

2,5

3,5

4,4

4,6

4,8

5,3

5,5

5,9

8,8

10,3

min.

0,95

1,5

2,05

2,25

3,2

4,1

4,3

4,5

5

5,2

5,6

8,44

9,87

l

lengths ls and lg

nominal

min.

max.

ls min.

lg max.

ls min.

lg max.

ls min.

lg max.

ls min.

lg max.

ls min.

lg max.

ls min.

lg max.

ls min.

lg max.

8

7,71

8,29

-

3,2

-

4,4

-

5,2

-

6,3

10

9,71

10,29

-

3,2

-

4,4

-

5,2

-

6,3

-

8,2

12

11,65

12,35

-

3,2

-

4,4

-

5,2

-

6,3

-

8,2

-

10

16

15,65

16,35

-

3,2

-

4,4

-

5,2

-

6,3

-

8,2

-

10

20

19,58

20,42

-

3,2

-

4,4

-

5,2

-

6,3

-

8,2

-

10

-

11,8

25

24,58

25,42

10,5

13

-

4,4

-

5,2

-

6,3

-

8,2

-

10

-

11,8

30

29,58

30,42

15,5

18

12,5

16

-

5,2

-

6,3

-

8,2

-

10

-

11,8

35

34,5

35,5

17,5

21

15

19

-

6,3

-

8,2

-

10

-

11,8

40

39,5

40,5

22,5

26

20

24

17

22

-

8,2

-

10

-

11,8

50

49,5

50,5

30

34

27

32

21,7

28

16,5

24

-

11,8

60

59,4

60,6

31,7

38

26,5

34

21,25

30

70

69,4

70,6

36,5

44

31,25

40

l

lengths ls and lg

nominal

min.

max.

ls min.

lg max.

ls min.

lg max.

ls min.

lg max.

ls min.

lg max.

ls min.

lg max.

ls min.

lg max.

20

19,58

20,42

25

24,58

25,42

-

13

30

29,58

30,42

-

13

-

13,5

35

34,5

35,5

-

13

-

13,5

-

15,5

-

16

40

39,5

40,5

-

13

-

13,5

-

15,5

-

16

-

20,6

50

49,5

50,5

-

13

-

13,5

-

15,5

-

16

-

20,6

-

23

60

59,4

60,6

16

26

-

13,5

-

15,5

-

16

-

20,6

-

23

70

69,4

70,6

26

36

22

32

15,5

28

-

16

-

20,6

-

23

80

79,4

80,6

36

46

32

42

25,5

38

21,5

34

-

20,6

-

23

90

89,3

90,7

42

52

35,5

48

31,5

44

27,5

40

-

23

100

99,3

100,7

45,5

58

41,5

54

37,5

50

31

46

70

69,4

70,6

36,5

44

• A4 Countersunk Screw
• 310 Stainless Steel Countersunk Screw
• ASTM A193 B8T Countersunk Screw (321) 
• 304 Stainless Steel Countersunk Screw
• 304H Stainless Steel Countersunk Screw
• 18-8 Stainless Steel Countersunk Screw
• 317L Stainless Steel Countersunk Screw
• 316L Stainless Steel Countersunk Screw
• 347 Stainless Steel Countersunk Screw
• 17-4 PH Countersunk Screw
• ASTM A193 Grade B7m Countersunk Screw
• 18-8 Stainless Steel Countersunk Screw
• A2-70 Countersunk Screw
• A4-70 Countersunk Screw
• Countersunk Bolt
• Countersink Screws
• M3 Countersunk Screw
• Countersunk Machine Screw
• Countersunk Head Bolt
• Countersunk Flat Head Screw
• Csk Screw
• Stainless Steel Countersunk Screw
• Countersunk Sheet Metal Screws
• 316 stainless steel countersunk screws

• ASTM A193 B6 Countersunk Screw (410) 
• 304L Stainless Steel Countersunk Screw
• ASTM A193 Grade B8 Countersunk Screw
• 904L Stainless Steel Countersunk Screw
• A4-80 Countersunk Screw
• 410 Stainless Steel Countersunk Screw
• A2 Countersunk Screw
• 4.8 Countersunk Screw
• ASTM A193 Grade B8M Countersunk Screw
• ASTM A193 B8C Countersunk Screw (347) 
• 316 Stainless Countersunk Screw
• 8.8 Countersunk Screw 
• 317 Stainless Steel Countersunk Screw
• 321 Stainless Steel Countersunk Screw
• Duplex 2205 Countersunk Screw
• Csk Bolt
• Countersunk Concrete Screws
• Self Countersinking Screws
• Csk Allen Bolt
• Countersunk Tek Screws
• Countersunk Lag Screws
• Stainless Steel Countersunk Bolts
• Countersunk Lag Bolts
• SS 304 Csk Screw

CSK screw

Thailand, Czechia, Germany, Malaysia, UK

DIN7982 Stainless steel cross recessed countersunk head tapping screw

Hungary, Bangladesh, USA, Malaysia, Finland

Metric DIN965 M2 M2.5 M3 M4 M5 M6 M7 M8 Stainless Steel Cross Recessed Phillips Flat Countersunk Head Machine Screw

Dammam -KSA, Philippines, Belgium, Indonesia, Dubai

Black color 304 Stainless steel flat head countersunk screw (torx security machine), Finish Black Oxide

Europe, Qatar, Singapore, France, Thailand

Black Stainless Steel countersunk self-tapping screws

Oman, Malaysia, Hong Kong, Argentina, UAE

Set M4.2 304 Self Tapping Screw Phillips Countersunk Head Self-tapping Screw

Italy, Indonesia, Singapore, Iran, Austria, Chile

m2 m3 m4 m5 Stainless Steel Flat Head Cross Phillips Countersunk Screw

Saudi Arabia (KSA), Brazil, South Africa, Kuwait

DIN965 Stainless Steel Phillips Flat Machine Cross Recessed Countersunk Head Screws

UAE, Bahrain, Singapore, South Africa, New Zealand

Stainless Steel Countersunk Flat Phillips Head Self Tapping Screw

Australia, Philippines, UK, Nigeria, Jakarta -Indonesia

Stainless Steel Pozi Countersunk Screws & Fully Threaded Chipboard Wood Screw

Poland, Ellington -United States, Canada, UK

304 Stainless Steel Countersunk Cross Recessed Flat Head Machine Screw

Singapore, Canada, Malaysia, Vietnam, Philippines

Slotted DIN963 Stainless steel countersunk head screw

Turkey, Norway, Malaysia, UAE, Jordan

304 Stainless Steel Countersunk Head Self Tapping Screw for Metal

Morocco, Netherlands, Russia, Malaysia, Dubai

Flat Head Stainless Steel Countersunk self-tapping screw for wood furniture

Philippines, Taiwan, Los Alamos -Mexico, Malaysia

M4 M5 Stainless Steel 304 Countersunk Star Drive & Countersunk Head Deck Screws for Wood

NY 12203 (USA), Malaysia, South Korea, Singapore

Stainless Steel Wafer Head Countersunk Machine Screw

Spain, Mexico, Egypt, Vietnam, UK

GB2673 Stainless Steel Countersunk Torx Screws 

Malaysia, UAE, Greece, United Kingdom -UK, Europe

DIN7991 M3 304/316 Stainless Steel Hexagon Socket Countersunk Head Screw 

Japan, Portugal, Romania, Europe, Malaysia

m4 m5 m10 Stainless Steel Countersunk Head Plum Screw

Colombia, China, Sweden, Vietnam, Malaysia, Peru, Denmark