Stainless Steel Square Head Bolts manufacturer in India

M10 Metric Square Head Lag Bolts and Carriage Bolt supplier in Mumbai

 

Stainless Steel Square Head Bolts
Stainless Steel Square Head Bolts
304L Square U Bolts
304L Square U Bolts
Cup Square Bolts
Cup Square Bolts

 

Manufacturer and exporter of Stainless Steel Square Headed Coach Bolts and cup head square neck bolt in India, Contact Us For Free Sample & Stock List

Siddhagiri Metals & Tubes is a reputed Square Head Bolt manufacturer. It is been manufactured by our professionals team by the best quality raw material and latest technology. Stainless Steel Square Head Bolts were the industry standard before hex bolts gaining importance. It is now most commonly used to match existing fasteners in an older structure or for aesthetic purposes to provide a rustic look in a new structure.

M10 Square Head Lag Bolts is one of the toughest fasteners. It is extremely sturdy fasteners and usually used to connect heavy lumber or other heavy materials that are bearing an intense load. Square Head Machine Bolts provides greater bearing surface for wrenching. Square Head Stainless Steel Bolts are usually used in new construction along with taper washers and square plate washer. It is also a requirement to mimic an older fastener aesthetic in both new and old buildings.

Square Head Bolts and Nuts is a four-sided nut. It is typically mated with square-headed bolts. Square nuts are used along with flat washers in order to avoid damage from its sharp edges and to increase its strength of the fasteners. Square Head Coach / Carriage Bolts are a form of bolt used to fasten metal to metal or metal to wood. It is different from other bolts by its shallow mushroom head and the fact that the cross-section of the shank, though circular for most of its length, it is square immediately beneath the head.

Square Head Metric Bolts are threaded fasteners whose length, thread pitch, and thread length are provided in metric measurement, such as one millimeter. It generally has right handed threads, but can also be in left handed threads.

 

Material Specification Stainless Steel Square Head Bolts

standard ISO 10642
British standards BS 57
Size
  • Cold Froging : M2-M24
  • Hot forging M24-M100, 1-1/2” Dia, up to 1100mm lg
  • Machining and CNC for Customized connecting element: up to M100 / 4” Dia, up to 1500mm lg

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 Sizes

Length 3 mm to 200 mm
Threads: METRIC, BSW, BSF, UNC, UNF or as required
Standard:
  • ISO 14585C ~DIN 7981C
  • DIN 7973C ~ISO 1483
  • DIN 7983C ~ISO 7051
  • ISO 4762, ISO 2009, ISO 7050, ISO 14587, ISO 14587, ISO 14584, ISO 14582
  • ANSI B18.3.1M
  • ASME B18.6.3
  • GB/T5782, GB/T5783, GB5783

DIN, ISO, JIS, GB, IS, BS, ASTM and all International Standards, ANSI – American National Standards Institute

DIN Standard B.S. DIN 933, DIN 931, DIN 934, DIN 912, DIN 603, DIN 6923, DIN 970, DIN 7981, DIN 7982, DIN916, DIN 913, DIN 7985
UTS – Unified Thread Standard UNC, UNF, UNEF, UNS, NPT, NPTF
Dimensions ASME B18.6.3 **Exception: screws 6 inches and shorter are fully threaded.
Head drive: Phillips, Slotted, Phillips/Slot, Six-Lobe, etc
Type Pan/ Round/ Oval/ Hex Head/ Truss head
Head Pan head, flat head, oval head, hex head, phillips head
Finish Per ASTM A380/A380M
Production process Wire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing
Top Manufacturers SPAX® Screws, GKW, Unbrako, Kundan, APL, Sundaram Precision, Infasco, EBY Fastener Etc.
MOQ 5 pieces
Test Certificate:
  • Manufacturer Test Certificate as per EN 10204 / 3.1,
  • Tensile testing to ISO 898-1
  • Nut proof load testing to ISO 898-2
  • Suitability for preloading to EN 14399-2
  • Suitability test for calibrated preload to EN 14399-10
  • Charpy Impact testing in accordance with ISO 148-1
  • Hardness testing to ISO 6508-1
  • Tri-Roll Thread Comparators
  • Calibrated gauges and tools
Free Samples Yes
Delivery time Regular product is about 7-15 days, custom product will according to special requirement
Payment Terms T/T, Paypal, Western Union, L/C or Trade Assurance 30% deposit & balance before shipping

Standard Thread Lengths of 304L Square U Bolts

  • Bolt lengths < 6″: Thread length = (2 X diameter) + 1/4″
  • Bolt lengths > 6″: Thread length = (2 X diameter) + 1/2″

 

We stock and supplies Stainless Steel Cup Square Bolts as per international standards & specifications

Stainless Steel Square Bolts Various Types

Cup Head Square Neck Bolt
Cup Head Square Neck Bolt
Square Head Coach Bolts
Square Head Coach Bolts
5/16 Stainless Steel Square U Bolts
5/16 Stainless Steel Square U Bolts
M10 Square Head Lag Bolt
M10 Square Head Lag Bolt

 

Price of Stainless Steel Square Head Bolts In India

Description Price
1/4"-20x3" Partially Threaded Stainless Steel Square Head Bolt HDG (900/Bulk Pkg.) $119.52
3/8"-16x1-1/4" Fully Threaded Stainless Steel Square Head Bolt HDG (1,300/Bulk Pkg.) $211.32
1"-8x5" Partially Threaded Stainless Steel Square Head Bolt HDG (40/Bulk Pkg.) $177.85

 

M6 Square Head Bolts Dimension Chart

Bolt Diameter D F C H
Body Diameter Width Across Flats Width Across Corners Height
Max Basic Max Min Max Min Basic Max Min
12 0.515 34 0.750 0.725 1.061 0.995 2164 0.348 0.308
58 0.642 1516 0.938 0.906 1.326 1.244 2764 0.444 0.400
34 0.768 118 1.125 1.088 1.591 1.494 12 0.524 0.476
78 0.895 1516 1.312 1.269 1.856 1.742 1932 0.620 0.568
1 1.022 112 1.500 1.450 2.121 1.991 2132 0.684 0.628
118 1.149 11116 1.688 1.631 2.386 2.239 34 0.780 0.720
114 1.277 178 1.875 1.812 2.652 2.489 2732 0.876 0.812
138 1.404 2116 2.062 1.994 2.917 2.738 2932 0.940 0.872
112 1.531 214 2.250 2.175 3.182 2.986 1 1.036 0.964
134* 2916 1316
2* 21516 1516

 

Always refer 5/16 Stainless Steel Square U Bolts Weight, buy SS Square Bolts at an affordable price in India

 

Available Coatings of Cup Square Bolts

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

 

Check 304 Stainless Steel Square Head Bolts Specification and Chemical Composition chart online

 

Best Price for below places as we already have dealers and distributors here

Qatar, Thailand, Europe, France 1/2"-13x1-3/4" Fully Threaded Stainless Steel Square Head Bolt HDG (500/Bulk Pkg.)
Dammam -KSA, Belgium, Philippines, Indonesia 5/8"-11x2-1/2" Partially Threaded Stainless Steel Square Head Bolt HDG (200/Bulk Pkg.)
Czechia, Malaysia, Thailand, Germany M10 Square Head Bolt
South Africa, Brazil, Kuwait, Saudi Arabia (KSA) Square Head Carriage Bolts
Malaysia, Finland, Bangladesh, USA Stainless Steel Square Head Bolt M8
Philippines, Nigeria, UK, Australia Stainless Steel Square Head Bolt M14*50mm
Bahrain, Singapore, South Africa heavy duty flat head gold 10" 1/2 m5 m6 m9 plow long square neck bolt
Oman, UAE, Hong Kong, Malaysia Square Head Lag Bolts
United Arab Emirates (UAE), Malaysia, Norway, Turkey Fine Thread M4 M3 M14 Square Neck Round Mushroom Head Stainless Steel bolts
Chile, Singapore, Iran, Italy M8 stainless steel din603 mushroom head round head square neck carriage bolt with hex nut
Egypt, UK, Mexico, Spain DIN603 SS 304 square head lag bolts mushroom head carriage bolt
Netherlands, Dubai, Russia, Malaysia DIN261 HDG M6 to M20 stainless steel square t head bolt
UK, Ellington -United States, Poland, Canada square head carriage bolt DIN603
United Kingdom -UK, UAE, Malaysia, Europe Plain Finish Coarse Thread Square Head Machine Bolt
Europe, Malaysia, Romania, Japan hammer head forged t bolt square flat head bolts
Philippines, Singapore, Canada, Malaysia Stainless Steel Half Round Head Square Neck Carriage Bolt
Malaysia, Philippines, Los Alamos -Mexico, Taiwan M4 M5 M6 M8 M10 square neck head stainless steel carriage bolt

 

Applications of SS Square Head Machine Bolts

  • Oil & Gas Industries
  • Chemical Industry
  • Petroleum Industries
  • Nuclear Energy Sector
  • Aerospace Industry
  • Defence Industry

 

BSF Stainless Steel Square Head Bolt Black BS916

D A max A min C square R max F max F min D
1/4" 0.445 0.435 0.63 1/32" 0.186 0.166 1/4"
5/16" 0.525 0.515 0.74 1/32" 0.228 0.208 5/16"
3/8" 0.600 0.585 0.85 1/32" 0.270 0.250 3/8"
7/16" 0.710 0.695 1.00 1/32" 0.312 0.292 7/16"
1/2" 0.820 0.800 1.16 1/32" 0.363 0.333 1/2"
9/16" 0.920 0.900 1.30 3/64" 0.405 0.375 9/16"
5/8" 1.010 0.985 1.43 3/64" 0.447 0.417 5/8"
3/4" 1.200 1.175 1.70 3/64" 0.530 0.500 3/4"
7/8" 1.300 1.270 1.84 1/16" 0.623 0.583 7/8"
1" 1.480 1.450 2.09 1/16" 0.706 0.666 1"
1 1/8" 1.670 1.640 2.36 1/8" 0.79 0.75 1 1/8"
1 1/4" 1.860 1.815 2.63 1/8" 0.89 0.83 1 1/4"
1 3/8" 2.050 2.005 2.90 1/8" 0.98 0.92 1 3/8"
1 1/2" 2.220 2.175 3.14 1/8" 1.06 1.00 1 1/2"
1 5/8" 2.410 2.365 3.41 1/8" 1.18 1.08 1 5/8"
1 3/4" 2.580 2.520 3.65 1/8" 1.27 1.17 1 3/4"
2" 2.760 2.700 3.90 1/8" 1.43 1.33 2"
2 1/4" 3.150 3.090 4.45 3/16" 1.60 1.50 2 1/4"
2 1/2" 3.550 3.490 5.02 3/16" 1.77 1.67 2 1/2"
2 3/4" 3.890 3.830 5.50 3/16" 1.93 1.83 2 3/4"
3" 4.180 4.080 5.91 3/16" 2.15 2.00 3"
3 1/4" 4.530 4.430 6.41 1/4" 2.32 2.17 3 1/4"
3 1/2" 4.850 4.750 6.86 1/4" 2.48 2.33 3 1/2"
3 3/4" 5.180 5.080 7.33 1/4" 2.65 2.50 3 3/4"
4" 5.550 5.450 7.85 1/4" 2.82 2.67 4"
4 1/2" 6.380 6.255 9.02 1/4" 3.20 3.00 4 1/2"
5" 7.300 7.175 10.32 1/4" 3.53 3.33 5"
5 1/2" 8.350 8.225 11.81 1/4" 3.87 3.67 5 1/2"
6" 9.450 9.325 13.36 1/4" 4.20 4.00 6"

 

Grade-8.8 BS7419 Metric Coarse Square Holding Down Bolts

d M16 M20 M24 M30 M36 M42 M48 M56 M64
b max 122.00 127.50 133.00 140.50 148.00 155.50 163.00 172.50 182.00
b min 116.00 120.00 124.00 130.00 136.00 142.00 148.00 156.00 164.00
ds max 16.70 20.84 24.84 30.84 37.00 43.00 49.00 57.20 65.20
ds min 15.30 19.16 23.16 29.16 35.00 41.00 47.00 54.80 62.80
k nom 10.00 12.50 15.00 18.70 22.50 26.00 30.00 35.00 40.00
k min 9.25 11.60 14.10 17.65 21.45 24.95 28.95 33.75 38.75
k max 10.75 13.40 15.90 19.75 23.55 27.05 31.05 36.25 41.25
s max 24.00 30.00 36.00 46.00 55.00 65.00 75.00 85.00 95.00
s min 23.16 29.16 35.00 45.00 53.80 63.10 73.10 82.80 92.80
k1 nom 8.00 10.00 12.00 15.00 18.00 21.00 24.00 28.00 32.00
k1 min 7.25 9.25 11.10 14.10 17.10 19.95 22.95 26.95 30.75
k1 max 8.75 10.75 12.90 15.90 18.90 22.05 25.05 29.05 33.25
s1 max 16.70 20.84 24.84 30.84 37.00 42.00 49.00 57.20 65.20
s1 min 15.30 19.16 23.16 29.16 35.00 41.00 47.00 54.80 62.80

 

Metric Coarse Stainless Steel Square Holding Down Bolts Grade-4.6 BS7419

d M16 M20 M24 M30 M36 M42 M48 M56 M64
b max 122.00 127.50 133.00 140.50 148.00 155.50 163.00 172.50 182.00
b min 116.00 120.00 124.00 130.00 136.00 142.00 148.00 156.00 164.00
ds max 16.70 20.84 24.84 30.84 37.00 43.00 49.00 57.20 65.20
ds min 15.30 19.16 23.16 29.16 35.00 41.00 47.00 54.80 62.80
k nom 10.00 12.50 15.00 18.70 22.50 26.00 30.00 35.00 40.00
k min 9.25 11.60 14.10 17.65 21.45 24.95 28.95 33.75 38.75
k max 10.75 13.40 15.90 19.75 23.55 27.05 31.05 36.25 41.25
s max 24.00 30.00 36.00 46.00 55.00 65.00 75.00 85.00 95.00
s min 23.16 29.16 35.00 45.00 53.80 63.10 73.10 82.80 92.80
k1 nom 8.00 10.00 12.00 15.00 18.00 21.00 24.00 28.00 32.00
k1 min 7.25 9.25 11.10 14.10 17.10 19.95 22.95 26.95 30.75
k1 max 8.75 10.75 12.90 15.90 18.90 22.05 25.05 29.05 33.25
s1 max 16.70 20.84 24.84 30.84 37.00 42.00 49.00 57.20 65.20
s1 min 15.30 19.16 23.16 29.16 35.00 41.00 47.00 54.80 62.80

 

DIN213460-316-A4 B18.2.1T1 Metric Coarse Stainless Steel Square Head Bolt

d b less than 200 b more than 200 m k
M16 36 48 27 13
M20 43 58 32 16
M24 53 73 41 19
M30 82 50 24

 

Black BS916 BSW Stainless Steel Square Head Bolt

D A max A min C square R max F max F min D
1/4" 0.445 0.435 0.63 1/32" 0.186 0.166 1/4"
5/16" 0.525 0.515 0.74 1/32" 0.228 0.208 5/16"
3/8" 0.600 0.585 0.85 1/32" 0.270 0.250 3/8"
7/16" 0.710 0.695 1.00 1/32" 0.312 0.292 7/16"
1/2" 0.820 0.800 1.16 1/32" 0.363 0.333 1/2"
9/16" 0.920 0.900 1.30 3/64" 0.405 0.375 9/16"
5/8" 1.010 0.985 1.43 3/64" 0.447 0.417 5/8"
3/4" 1.200 1.175 1.70 3/64" 0.530 0.500 3/4"
7/8" 1.300 1.270 1.84 1/16" 0.623 0.583 7/8"
1" 1.480 1.450 2.09 1/16" 0.706 0.666 1"
1 1/8" 1.670 1.640 2.36 1/8" 0.79 0.75 1 1/8"
1 1/4" 1.860 1.815 2.63 1/8" 0.89 0.83 1 1/4"
1 3/8" 2.050 2.005 2.90 1/8" 0.98 0.92 1 3/8"
1 1/2" 2.220 2.175 3.14 1/8" 1.06 1.00 1 1/2"
1 5/8" 2.410 2.365 3.41 1/8" 1.18 1.08 1 5/8"
1 3/4" 2.580 2.520 3.65 1/8" 1.27 1.17 1 3/4"
2" 2.760 2.700 3.90 1/8" 1.43 1.33 2"
2 1/4" 3.150 3.090 4.45 3/16" 1.60 1.50 2 1/4"
2 1/2" 3.550 3.490 5.02 3/16" 1.77 1.67 2 1/2"
2 3/4" 3.890 3.830 5.50 3/16" 1.93 1.83 2 3/4"
3" 4.180 4.080 5.91 3/16" 2.15 2.00 3"
3 1/4" 4.530 4.430 6.41 1/4" 2.32 2.17 3 1/4"
3 1/2" 4.850 4.750 6.86 1/4" 2.48 2.33 3 1/2"
3 3/4" 5.180 5.080 7.33 1/4" 2.65 2.50 3 3/4"
4" 5.550 5.450 7.85 1/4" 2.82 2.67 4"
4 1/2" 6.380 6.255 9.02 1/4" 3.20 3.00 4 1/2"
5" 7.300 7.175 10.32 1/4" 3.53 3.33 5"
5 1/2" 8.350 8.225 11.81 1/4" 3.87 3.67 5 1/2"
6" 9.450 9.325 13.36 1/4" 4.20 4.00 6"

 

Grade-8.8 BS7419 Metric Coarse Square Holding Down Bolts

d M16 M20 M24 M30 M36 M42 M48 M56 M64
b max 122.00 127.50 133.00 140.50 148.00 155.50 163.00 172.50 182.00
b min 116.00 120.00 124.00 130.00 136.00 142.00 148.00 156.00 164.00
ds max 16.70 20.84 24.84 30.84 37.00 43.00 49.00 57.20 65.20
ds min 15.30 19.16 23.16 29.16 35.00 41.00 47.00 54.80 62.80
k nom 10.00 12.50 15.00 18.70 22.50 26.00 30.00 35.00 40.00
k min 9.25 11.60 14.10 17.65 21.45 24.95 28.95 33.75 38.75
k max 10.75 13.40 15.90 19.75 23.55 27.05 31.05 36.25 41.25
s max 24.00 30.00 36.00 46.00 55.00 65.00 75.00 85.00 95.00
s min 23.16 29.16 35.00 45.00 53.80 63.10 73.10 82.80 92.80
k1 nom 8.00 10.00 12.00 15.00 18.00 21.00 24.00 28.00 32.00
k1 min 7.25 9.25 11.10 14.10 17.10 19.95 22.95 26.95 30.75
k1 max 8.75 10.75 12.90 15.90 18.90 22.05 25.05 29.05 33.25
s1 max 16.70 20.84 24.84 30.84 37.00 42.00 49.00 57.20 65.20
s1 min 15.30 19.16 23.16 29.16 35.00 41.00 47.00 54.80 62.80

 

Grade-8.8 DIN478 With Large Collar Metric Coarse Stainless Steel Square Bolt

d dc s max b k nom k max k min c
M5 9.5000 5.0000 16.0000 7.0000 7.1800 6.8200 2.1200
M6 10.5000 6.0000 18.0000 8.0000 8.1800 7.8200 2.1200
M8 13.5000 8.0000 22.0000 10.0000 10.2000 9.8200 2.1200
M10 16.5000 10.0000 26.0000 13.0000 13.2200 12.7800 3.1200
M12 19.5000 13.0000 30.0000 15.0000 15.2200 14.7800 3.1200
M16 25.0000 16.0000 38.0000 20.0000 20.2600 19.7400 4.1500
M20 31.0000 21.0000 46.0000 25.0000 25.2600 24.7400 5.1500
M24 36.0000 24.0000 54.0000 28.0000 28.2600 27.7400 6.1500

 

Grade-4.6 DIN5903 With Square Head Metric Coarse Fish Plate Bolt

D C Y E X B
M16 12.0000 8.0000 27.0000 27.0000 22.0000
M20 14.0000 15.0000 49.0000 32.0000 30.0000
M22 16.0000 17.0000 49.0000 39.0000 33.0000

 

Dimensions of Grade-10.9 DIN478 With Large Collar Metric Coarse Square Head Bolt

d dc s max b k nom k max k min c
M5 9.5000 5.0000 16.0000 7.0000 7.1800 6.8200 2.1200
M6 10.5000 6.0000 18.0000 8.0000 8.1800 7.8200 2.1200
M8 13.5000 8.0000 22.0000 10.0000 10.2000 9.8200 2.1200
M10 16.5000 10.0000 26.0000 13.0000 13.2200 12.7800 3.1200
M12 19.5000 13.0000 30.0000 15.0000 15.2200 14.7800 3.1200
M16 25.0000 16.0000 38.0000 20.0000 20.2600 19.7400 4.1500
M20 31.0000 21.0000 46.0000 25.0000 25.2600 24.7400 5.1500
M24 36.0000 24.0000 54.0000 28.0000 28.2600 27.7400 6.1500

 

Stainless Steel Square Head Bolts Utilization

  • Some Assembly Required Furniture
  • Machinery
  • Home Restoration And Period Construction

 

Stock List of Stainless Steel Square U Bolts 5/16

Dia./Thread Size
Fastener Length
Fastener Thread Direction
Fastener Thread Type
Fastener Industry Standards
Zinc Yellow
3/8"-16 1 in Right Hand UNC (Coarse) ASME B18.21, SAE J429
3/8"-16 1.5 in Right Hand UNC (Coarse) ASME B18.21, SAE J429
1/2"-13 2 in Right Hand UNC (Coarse) ASME B18.21, SAE J429
1/2"-13 2.5 in Right Hand UNC (Coarse) ASME B18.21, SAE J429
1/2"-13 3 in Right Hand UNC (Coarse) ASME B18.21, SAE J429
5/8"-11 3 in Right Hand UNC (Coarse) ASME B18.21, SAE J429
3/4"-10 6 in Right Hand UNC (Coarse) ASME B18.21, SAE J429
1"-8 5 in Right Hand UNC (Coarse) ASME B18.21, SAE J429

 

Grade-8.8 DIN479 With Dog Point Metric Coarse Square Head Bolt Dimensions

d dc s dp k a1 z3
M5 6.5000 5.0000 3.5000 5.0000 1.5000
M6 8.0000 6.0000 4.0000 6.0000 1.7500
M8 10.0000 8.0000 5.5000 8.0000 2.2500
M10 13.0000 10.0000 7.0000 10.0000 2.7500
M12 17.0000 13.0000 8.5000 12.0000 3.2500
M16 21.0000 16.0000 12.0000 16.0000 4.3000
M20 28.0000 22.0000 15.0000 20.0000 5.3000
M24 31.0000 24.0000 18.0000 21.0000 6.3000