Cap Screws

Stainless Steel Cap Screws, ASTM A193 B6 Socket Head Cap Screws, Hex Cap Screws, Titanium Hex Head Cap Screw Supplier in India.

Socket Head Cap Screw
Socket Head Cap Screw
Hex Cap Screw
Hex Cap Screw
Hex Head Cap Screw
Hex Head Cap Screw

Steel Tubes India is manufacturing and exporting Cap Screws since 1968. Socket Head Cap Screws are widely known as the most common type of fastener. They have thread designs to be joined with internally threaded parts, such as Hex Nuts or Nylon Locknuts. In our cutting edge facility, the Steel Tubes India can manufacture a wide range of Hex Cap Screws with a variety of head styles, drive systems, materials and finishes.

Steel Tubes India has the manufacturing unit to make Hex Head Cap Screws in various grades of steel heat, treated to meet Grade 2 to Grade 8 or Grade 4.8 to Grade 10.9. We also utilize materials such as aluminum and brass, as well as a variety of stainless steel.

Our emphasize quality and service from the manufacturing floor to the shipping dock. Contact our fastener engineers today to discuss your project, and we will get you exactly what you need, according to your specifications you provide.

Inconel 600 Cap Screws Exporter, Copper Socket Head Cap Screws, ASME SA 193 B8 Cap Screws, B8M Cap Screws, A193 Grade 8 Cap Screws, Hot Galvanized Cap Screws Manufacturer in Mumbai, India.

Cap Screws Specification

Product name Stainless Steel Cap Screws
Place of Origin India
Standard ISO 7380, DIN, ASTM, ANSI, JIS, EN, AS, GB
Surface treatment
Passivation /plain
Stainless Steel Cap Screws Size M2 – M100
Type Pan/ Round/ Oval/ countersunk/ Truss head
Head Pan head, flat head, oval head, hex head, phillips head
Stainless Steel Cap Screws Usage Electric Heating, Machine
Dimensions ASME B18.6.3 **Exception: screws 6 inches and shorter are fully threaded.
Drive Style Type I
Stainless Steel Cap Screws Material 18-8 Stainless Steel, stainless steel ss 304/ SS316 A2/A4, SS201, SS303, SS304, SS316, SS316L, SS904L, A2-70, A4-80
Thread Requirements ASME B1.1, UNC & UNF, Class 2A (Fastenal will inspect and accept parts with a 1A no-go gauge)
Finish Per ASTM A380/A380M
Finishing Zinc Plated(Yellow, White, Blue, Black), Hop Dip Galvanized (HDG) phosphorization, Black Oxide, Geomet, Dacroment, anodization, Nickel plated, Zinc-Nickel plated, Brass Plated, Tin Plated, Black Plated, Copper Plated, Gold Plated, Salt fog test
Stock Products Stainless steel: All DIN, GB Standard and part ASNI standard stainless steel Cap Screws, Example: ISO7380, DIN7981, DIN7982, DIN916, DIN913, DIN7985, DIN912
Specialized in Stainless steel CSK philip screw, CSK socket screw, Pan head Ph screw, Pan head socket screw, Socket cap head screw, set screw, Pan head torx screw, CSK head trox screw, Wood screw
Production technology Cold Forged
Manufacturing Process Wire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing
MOQ 10 pieces
Delivery time Regular product is about 7-15 days, custom product will according to special requirement
Others OEM, ODM, ±0.03MM tolerance
Surface treatment of stainless steel Cap Screws
  • Passivation
  • Polish
  • Anodizing
  • Sand blasting
  • Electroplating (color, blue, white, black zinc, Ni, Cr, tin, copper, silver)
  • Black oxide coating
  • Heat-disposing
  • Hot-dip galvanizing
  • Rust preventive oil
Tolerance of stainless steel Cap Screws +/-0.01mm to +/-0.05mm
Samples Yes
Production Capacity 2,700,000 pieces per month
Payment Terms T/T, Paypal, Western Union, L/C or Trade Assurance 30% deposit & balance before shipping
  • Cup point: the most common type of set screw. This works well because the surface is rounded so that a small surface area is in contact but does not have high stress at one point like a cone set screw. The cup point set screw holds parts permanently and is designed for soft and hard surfaces.
  • Knurled cup: offers the advantage of a locking action that prevents the screws from working loose in high-vibration applications. The knurled cap set screw also holds parts permanently and is designed for soft and hard surfaces but resists vibration the best, even in poorly tapped holes, because of the locking action.
  • Flat set screw: readjusts without damaging the surface and aligns wells against ground flats. This can also act as an adjusting screw and can be used as backing for soft metal or plastic plugs.

Along with the different types of points, set screws have numerous drive styles. These include:

  • Straight slot: a single slot in the fastener head and drive by a flat-bladed screwdriver. It was the first type of screw drive to be developed. This is common in woodworking applications, but not where a power tool would be used because it tends to slip out of the head and possibly damage the surrounding material.
  • Hex socket: a hexagonal recess screw drive and may be driven by an Allen Wrench.
  • Square socket: a square-shaped socket in the screw head and a square protrusion on the tool. There are two main advantages because of its design: it makes inserting the tool easier and tends to help keep the screw on the tool tip without the user needing to hold it there.

Cap Screws Packaging

  • - Bundles (hexagonal)
  • - Wooden Boxes
  • - Crates (steel/wooden)
  • - Packaging for Cap Screws as per customer's requirements

Special Features:

  • - Each bundle covered with plastic for protection against extreme weather.
  • - End of Cap Screws protected by plastic caps.
  • - Bundles strapped with plastic strips.
  • - Each radius of U-Bend tube separated by a separator.
  • - Packaging list (laminated) placed with box/crate.

Cap Screws Industrial Applications

  • Because of Cap Screws self-locking property the Screws is widely used in threaded fasteners to hold objects or materials together: the wood screw, sheet metal screw, stud, and bolt and nut.
  • The self-locking property is also key to the screw's use in a wide range of other applications, such as the corkscrew, Screws top container lid, threaded pipe joint, vise, C-clamp, and Screws jack.
  • Screws are also used as linkages in Self Drillings to transfer power, in the worm gear, lead screw, ball screw, and roller screw. Due to their low efficiency, Screws linkages are seldom used to carry high power, but are more often employed in low power, intermittent uses such as positioning actuators.
  • Rotating helical Screws blades or chambers are used to move material in the Archimedes' screw, auger earth drill, and Screws conveyor. The micrometer uses a precision calibrated Screws for measuring lengths with great accuracy.



DIN 960 Specifications

Diameter M8 x 1 M10 x 1.25 M12 x 1.25 M14 x 1.5 M16 x 1.5
k 5.3 6.4 7.5 8.8 10
s max 13 17 19 22 24
e min 14.38 18.9 21.1 24.49 26.75
b up to 125 22 26 30 34 38
b up to 150 28 32 36 40 44
Length (mm) Full Part Full Part Full Part Full Part Full Part
Bare Zinc Bare Zinc Bare Zinc Bare Zinc Bare Zinc Bare Zinc Bare Zinc Bare Zinc Bare Zinc Bare Zinc
H011 H013 H031 H033 H011 H013 H031 H033 H011 H013 H031 H033 H011 H013 H031 H033 H011 H013 H031 H033
16 100 100 100 100
20 100 100 100 100 100 100 50 50
25 100 100 100 100 100 100 50 50
30 100 100 100 100 100 100 50 50 50 50
35 100 100 100 100 100 100 50 50 50 50
40 100 100 100 100 100 100 100 100 100 50 50 50 50
45 100 100 100 100 100 100 100 100 100 100 50 50 50 50 50
50 100 100 100 100 100 100 100 100 100 50 50 50 50 50 50 50
55 100 100 100 50 50
60 100 100 100 100 100 100 100 50 50 50 50
65 100 50 50 50 25
70 100 100 100 50 50 50 50 50 25 25
75 25
80 100 100 100 50 50 50 50 50 25 25 25 25
90 100 50 50 50 50 50 25 25 25
100 100 50 50 50 50 25 25
110 50 50 50 25 25
120 50 50 50 25 25
130 25
140 50 50 25 25
160 50 50 25 25
180 50 50 25
200 50 25
Order Number -> 961-8.8 Bare 10×1.25×20 = H011-010-0020 | 960-8.8 Bare 10×1.25×140 = H031-010-0140
Diameter M18 x 1.5 M20 x 1.5 M22 x 1.5 M24 x 2 M30x2
k 11.5 12.5 14 15 18.7
s max 27 30 32 36 46
e min 30.14 33.53 35.72 39.98 50.85
b up to 125 42 46 50 54 66
b up to 200 48 52 56 60 72
b over 200 85
Length (mm) Full Part Full Part Full Part Full Part Full Part
Bare Zinc Bare Zinc Bare Zinc Bare Zinc Bare Zinc Bare Zinc Bare Zinc Bare Zinc Bare Zinc Bare Zinc
H011 H013 H031 H033 H011 H013 H031 H033 H011 H013 H031 H033 H011 H013 H031 H033 H011 H013 H031 H033
30 25
35 25 25
40 25 25 25 25
45 25 25
50 25 25 25 25 10 10
55 25 25 10
60 25 25 25 25 25 25 10
70 25 25 25 25 25 25 25 10 10
80 25 25 10 10
90 25 25 25 25
100 25 25 10 10 1
110 25 25 10
120 25 10 10
130 10
140 10 10
150 10
200 1
Order Number -> 961-8.8 Bare 16×1.5×50 = H011-016-0050 | 960-8.8 Bare 20×1.5×140 = H031-020-0140

DIN 960 Specifications

DIN 960 Specifications

d1 s e k b= to 125 b= to 150 b= to 200
M8 x 1 13 14.38 5.3 22 28
M10 x 1 17 18.9 6.4 26 32
M10 x 1.25 17 18.9 6.4 26 32
M12 x 1.25 19 21.1 7.5 30 36
M12 x 1.5 19 21.1 7.5 30 36
M14 x 1.5 22 24.49 8.8 34 40
M16 x 1.5 24 26.75 10 38 44
M18 x 1.5 27 30.14 11.5 42 48
M20 x 1.5 30 33.53 12.5 46 52
M20 x 2 30 33.53 12.5 46 52
M24 x 2 36 39.98 15 54 60

All measurements in millimeters (mm)

Cap Screws Weight Chart

APPROXIMATE WEIGHT IN KGS FOR 100 NOS

LENGTH\DIA M2 M3 M4 M5 M6 M8 M10 M12 M14 M16 M20 M24 M30 M36 M42 M48 M56 M64
3 0.0155
4 0.0175
5 0.0195 0.067
6 0.0215 0.071 0.150
8 0.0255 0.080 0.165 0.245
10 0.0295 0.088 0.180 0.270 0.470
12 0.0355 0.096 0.195 0.295 0.507 1.09
16 0.0415 0.116 0.225 0.345 0.575 1.21 2.09
20 0.0495 0.136 0.265 0.401 0.653 1.34 2.29 3.21
25 0.161 0.315 0.478 0.759 1.50 2.54 3.57 4.80 7.13
30 0.186 0.365 0.555 0.830 1.69 2.79 3.93 5.30 7.78 12.8
35 0.415 0.632 0.991 1.89 3.04 4.29 5.80 8.44 13.9
40 0.465 0.709 1.100 2.09 3.29 4.65 6.30 9.10 15.0 27.0
45 0.786 1.210 2.29 3.61 5.01 6.80 9.76 16.1 28.5 50.0
50 0.863 1.320 2.49 3.93 5.45 7.30 10.60 17.2 30.0 52.7
55 1.430 2.69 4.25 5.89 7.80 11.40 18.3 31.6 55.4 87
60 1.540 2.89 4.57 6.34 8.40 12.20 19.4 33.0 58.1 91 137
65 3.10 4.89 6.78 9.00 13.00 20.5 34.5 60.8 95 142
70 3.30 5.21 7.13 9.60 13.80 21.6 36.3 63.5 99 147 204
80 3.70 5.85 8.02 10.80 15.40 24.1 39.9 69.0 107 158 218 334
90 6.49 8.91 12.00 17.00 26.6 43.5 74.5 115 168 232 353 522
100 7.12 9.80 13.20 18.6. 29.1 47.1 80.0 123 179 246 372 547
110 10.70 14.40 20.20 31.6 50.7 85.5 131 189 260 392 573
120 11.60 15.60 21.80 34.1 54.3 91.0 139 200 274 411 598
130 16.80 23.40 36.6 57.9 96.5 147 210 288 430 623
140 18.00 25.00 39.1 61.5 102 155 221 302 449 649
150 26.60 41.6 65.1 108 163 232 316 468 674
160 28.20 44.1 68.7 113 171 242 330 488 690
180 49.1 75.9 124 187 264 359 527 725
200 54.1 83.1 135 203 286 387 565 775
220 90.3 146 219 308 415 604 825
240 97.5 157 225 330 443 642 875
260 168 241 352 471 681 926
280 179 257 374 499 720 976
300 190 273 396 527 758 1030

HEXAGONAL SOCKET SET SCREWS (GRUB SCREWS) With cup point TO IS 6094(PART 4)2006, ISO 4029 : 2003 (DIN 916)APPROXIMATE WEIGHT IN KGS FOR 100 NOS

LENGTH\DIA M1.6 M2 M2.5 M3 M4 M5 M6 M8 M10 M12 M16 M20 M24
2 0.0019 0.0029
2.5 0.0025 0.0037 0.0063
3 0.0029 0.0044 0.0075 0.010
4 0.0037 0.0059 0.0100 0.014 0.023
5 0.0046 0.0074 0.0125 0.018 0.0305 0.042
6 0.0054 0.0089 0.0150 0.022 0.038 0.054 0.074
8 0.0070 0.0119 0.0199 0.030 0.053 0.078 0.109 0.188
10 0.0148 0.0249 0.038 0.068 0.102 0.144 0.251 0.372
12 0.0299 0.046 0.083 0.126 0.179 0.314 0.473 0.67
16 0.062 0.113 0.174 0.249 0.440 0.673 0.95 1.57
20 0.140 0.222 0.319 0.566 0.872 1.23 2.09 3.13
25 0.282 0.407 0.724 1.120 1.58 2.74 4.14 5.52
30 0.494 0.881 1.370 1.93 3.39 5.17 7.03
35 1.040 1.620 2.27 4.04 6.20 8.53
40 1.200 1.870 2.62 4.69 7.23 10.00
45 2.120 2.97 5.33 8.26 11.50
50 2.360 3.32 5.98 9.26 13.00
55 3.66 6.63 10.30 14.50
60 4.01 7.28 11.40 16.00

Cap Screws Price List
Description Price Each (ex VAT)
8 UNF x 1/4″ A2 Cap Screws
8 UNF x 1/4″ A2 Cap Screws £0.06
8 UNF x 3/8″ A2 Cap Screws
8 UNF x 3/8″ A2 Cap Screws £0.07
8 UNF x 1/2″ A2 Cap Screws
8 UNF x 1/2″ A2 Cap Screws £0.07
8 UNF x 3/4″ A2 Cap Screws
8 UNF x 3/4″ A2 Cap Screws £0.09
8 UNF x 7/8″ A2 Cap Screws
8 UNF x 7/8″ A2 Cap Screws £0.09
8 UNF x 1″ A2 Cap Screws
8 UNF x 1″ A2 Cap Screws £0.10
8 UNF x 1.1/4″ A2 Cap Screws
8 UNF x 1.1/4″ A2 Cap Screws £0.13
8 UNF x 1.1/2″ A2 Cap Screws
8 UNF x 1.1/2″ A2 Cap Screws £0.13
10 UNF x 1/4″ A2 Cap Screws
10 UNF x 1/4″ A2 Cap Screws £0.07
10 UNF x 3/8″ A2 Cap Screws
10 UNF x 3/8″ A2 Cap Screws £0.07
10 UNF x 1/2″ A2 Cap Screws
10 UNF x 1/2″ A2 Cap Screws £0.08
10 UNF x 5/8″ A2 Cap Screws
10 UNF x 5/8″ A2 Cap Screws £0.08
10 UNF x 3/4″ A2 Cap Screws
10 UNF x 3/4″ A2 Cap Screws £0.10
1/4 UNF x 3/8″ A2 Cap Screws
1/4 UNF x 3/8″ A2 Cap Screws £0.12
1/4 UNF x 1/2″ A2 Cap Screws
1/4 UNF x 1/2″ A2 Cap Screws £0.12
1/4 UNF x 3/4″ A2 Cap Screws
1/4 UNF x 3/4″ A2 Cap Screws £0.13
1/4 UNF x 1″ A2 Cap Screws
1/4 UNF x 1″ A2 Cap Screws £0.14
1/4 UNF x 1.1/2″ A2 Cap Screws
1/4 UNF x 1.1/2″ A2 Cap Screws £0.19
1/4 UNF x 2″ A2 Cap Screws
1/4 UNF x 2″ A2 Cap Screws £0.29
5/16 UNF x 1/2″ A2 Cap Screws
5/16 UNF x 1/2″ A2 Cap Screws £0.23
5/16 UNF x 5/8″ A2 Cap Screws
5/16 UNF x 5/8″ A2 Cap Screws £0.27
5/16 UNF x 3/4″ A2 Cap Screws
5/16 UNF x 3/4″ A2 Cap Screws £0.21
5/16 UNF x 7/8″ A2 Cap Screws
5/16 UNF x 7/8″ A2 Cap Screws £0.29
5/16 UNF x 1″ A2 Cap Screws
5/16 UNF x 1″ A2 Cap Screws £0.29
5/16 UNF x 1.1/4″ A2 Cap Screws
5/16 UNF x 1.1/4″ A2 Cap Screws £0.33
5/16 UNF x 1.1/2″ A2 Cap Screws
5/16 UNF x 1.1/2″ A2 Cap Screws £0.34
5/16 UNF x 2″ A2 Cap Screws
5/16 UNF x 2″ A2 Cap Screws £0.49
3/8 UNF x 3/4″ A2 Cap Screws
3/8 UNF x 3/4″ A2 Cap Screws £0.29
3/8 UNF x 1″ A2 Cap Screws
3/8 UNF x 1″ A2 Cap Screws £0.34
3/8 UNF x 2″ A2 Cap Screws
3/8 UNF x 2″ A2 Cap Screws £0.72
7/16 UNF x 3/4″ A2 Cap Screws
7/16 UNF x 3/4″ A2 Cap Screws £0.77
7/16 UNF x 1″ A2 Cap Screws
7/16 UNF x 1″ A2 Cap Screws £0.82
7/16 UNF x1.1/4″ A2 Cap Screws
7/16 UNF x1.1/4″ A2 Cap Screws £0.95
7/16 UNF x 1.1/2″ A2 Cap Screws
7/16 UNF x 1.1/2″ A2 Cap Screws £1.08

Coatings We Provide For Cap Screws


Value Added Services Provided By Steel Tubes India While Buying Cap Screws

  • Government and Private Laboratory Testing
  • Very Quick Delivery
  • Mill Test Report/ Digital Mill Test Report in Accordance with EN10204 NACE 3.1, NACE 3.2
  • High Pressure Sustainability
  • Test certificate from ISO 17025 Standards Laboratory
  • Same Day Shipping of the Goods
  • Impeccable Surface Finish
  • Product Replacement Warranty
  • After Sales Support and Service
  • World Class Buying Experience
  • Largest Stockholder in the Country
  • Stringent Quality Testing and Control
  • 3rd Party Inspection

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Cap Screws Supplier

Bengaluru, Al Khobar, Riyadh, London, Baroda, Granada, Port-of-Spain, Coimbatore, Mexico City, New York, Chennai, Ahmedabad, Houston, Ulsan, Mumbai, Moscow, Ranchi, Bhopal, Thiruvananthapuram, Secunderabad, Muscat, Hyderabad, Bangkok, Indore, Melbourne, Thane, La Victoria, Pune, Lagos, Pimpri-Chinchwad, Ernakulam, Nagpur, Abu Dhabi, Karachi, Montreal, Istanbul, Manama, Dubai, Jamshedpur, Toronto, Brisbane, Petaling Jaya, Jaipur, Navi Mumbai, Atyrau, Jeddah, Ludhiana, Bogota, Dammam, Surat, Hong Kong, New Delhi, Calgary, Visakhapatnam, Kanpur, Gurgaon, Kolkata, Gimhae-si, Vung Tau, Caracas, Ahvaz, Colombo, Kuala Lumpur, Nashik, Busan, Ho Chi Minh City, Singapore, Vadodara, Rio de Janeiro, Sydney, Santiago, Chiyoda, Kuwait City, Howrah, Hanoi, Courbevoie, Ankara, Aberdeen, Algiers, Cairo, Chandigarh, Dallas, Milan, Noida, Tehran, Perth, Rajkot, Lahore, Geoje-si, Jakarta, Haryana, Edmonton, Los Angeles, Faridabad, Seoul, Madrid, Sharjah, Doha, Al Jubail.

Cap Screws Exporter

Malaysia, Germany, Venezuela, Afghanistan, Ireland, United Arab Emirates, Jordan, Zimbabwe, Indonesia, Saudi Arabia, Ukraine, Czech Republic, Pakistan, Kuwait, Iraq, Iran, Bahrain, Algeria, Argentina, Slovakia, Qatar, Colombia, Russia, Lebanon, Kazakhstan, Ghana, Turkey, South Africa, Oman, Belarus, Gambia, Switzerland, Bhutan, Bulgaria, Morocco, Nepal, Singapore, China, Lithuania, Italy, Kenya, Japan, Sweden, Bangladesh, Namibia, New Zealand, Belgium, Taiwan, Libya, Hong Kong, Mexico, Poland, Norway, Puerto Rico, Thailand, Gabon, Estonia, Vietnam, India, Tibet, Australia, Nigeria, Angola, Sri Lanka, Brazil, Costa Rica, South Korea, Finland, Philippines, Iran, Chile, Trinidad & Tobago,Tunisia, Denmark, Hungary, Croatia, Azerbaijan, Ecuador, Nigeria, Chile, Romania, Mongolia, Greece, Spain, United States, Canada, Macau, Israel, Serbia, Netherlands, Egypt, France, Bolivia, Peru, Mexico, United Kingdom, Austria, Portugal, Yemen, Poland.


Call today, and find out why Steel Tubes India is the choice for so many users of Cap Screws.

Tel: +(91)-(22)-611554000 or send an Email to stindia@stindia.com