Machine Bolt manufacturer in India
Stainless Steel Machine Bolts And Nuts supplier, exporter In India, View Its Sizes, Specifications, Dimensions

What is Machine Bolt?
Machine bolts can be used to secure a heavy wood construction. These fasteners, however, are not confined to wood-to-wood couplings. Any Machine Bolts Manufacturer in India would advise you to use these bolts for metals to wood and metal to metal fixing. Stainless steel machine screws have more stiffness and load-carrying capability than standard lag bolts. Machine Bolts, on the other hand, usually have a through-hole requirement.
What are machine screws?
Among the hundreds of basic fastener types, Slotted machine screws are one of the most commonly utilised. Despite their extensive use, a machine screw has no precise definition. The word "machine screws" refers to a wide variety of fastener types.
Difference between Torx head, Pan head, cheese-head and Phillips head machine screws
There are many different machine screw sizes available, and knowing how to measure machine screws is another critical step in selecting the proper fastener for the job.
Flat-head machine screws can be measured and marketed by thread size and length. The length of a machine screw is usually measured from directly below the head to the tip. However, it's always a good idea to recheck if a screw length measurement includes the head section or not.
Specification | Machine Bolt |
---|---|
Brass machine screws Use: | Machine screws may be used in the fastening of a heavy wood structure |
Port of Dispatch: | Mumbai ports in Maharashtra state of India |
manufacturer Of Plated machine screws Size | M02 to M152.4 |
Drawing Formats: | STP, IGS, JPEG, PDF, CAD |
Oval Head Machine Screws Threads: | BSW, BSF, METRIC, UNC, UNF or as required |
Slotted machine screws Threads: | METRIC, UNC, BSW, BSF, UNF or as per need |
UTS: | NPT, UNF, NPTF, UNC, UNEF, UNS |
Delivery time: | Regular export schedule is about 5-12 days |
Head drive: | Phillips/ Slot, Phillips, Six-Lobe, Slotted, etc |
Test Certificate: | EN 10204 / 3.1 |
KM Steel Online Provide Options?: | Yes |
Free Samples: | Yes |
manufacturer Of flat-head machine screws Length | 3 mm to 6"(inch) |
Application: | Wind tower Nuclear power Electronic industry Automotive industry Construction LNG Projects |
Manufacturing process: | Cold Heading Heat Treatment Inspection Wire Drawing Packing Surface Plating Insert tapping |
Surface Coating Of Nuts: | Phosphate Coating Cadmium Coating Teflon Coating Xylon Coating |
Certifications: | PED 97/23/EC Certified |
Available Surface Finish: | Zinc Plated and Hot Dip Galvanised |
M10 T0 M16 Machine Bolt Price List In India
Types Of Fasteners | SizeM | Types Of Grade | Price Per Unit In (INR) India |
Machine Bolt | M10 X 30 | DIN 933 | 59.00 |
- | M12 X 40 | - | 66.00 |
- | M14 x 80 MM | - | 78.00 |
- | M16 x 120 MM | - | 93.00 |
Machine Bolts | M20 x 150 MM | DIN 933 | 124.00 |
SS Machine Bolt manufacturer in India, Don't Forget To Check Difference Between Stud Bolts Vs Machine Bolts
Types Of Stainless Steel Machine Bolt

Hex Head Machine Bolt

Stainless Steel Machine Bolt

SS Machine Bolts

Plated machine screws

Oval Head Machine Screws

Slotted machine screws

flat-head machine screws

Phillips head machine screws

Torx head machine screws

hex head machine screws

Fillister machine screws

cheese-head machine screws
Standards Of Heavy Hex Machine Bolt
BS 1769 | ½ inch - 2 inch |
UNI 5712 | M12 - M36 |
ASME B18.2.3.7M | M16 - M36 |
DIN-EN 14399-4 | M12 - M36 |
ASME B18.2.3.6M | M12 - M36 |
ASME B18.2.1 | 3/8 inch - 3 inch |
ISO 7412 | M12 - M36 |
DIN 6914 | M12 - M36 |
Now you decide who is the best supplier of Machina Bolts in Following countries :
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Alaska LNG Project (Brazil)
-
Cameroon LNG Plant (Iran)
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Tortue Ahmeyim LNG (Qatar)
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Area 4 – Coral Flng LNG (Poland)
Square Head Machine Bolt Dimensions

Size Of Square Head Machines Bolt | Min. Threaded Length |
Head Height |
Width Of Head | |||||
---|---|---|---|---|---|---|---|---|
- | Across Corners |
Across Flats |
||||||
Decimal | Fraction | >6" | ≤6" | Basic | Avg | Basic | ||
0.02500 | 1/4 | 1 | 3/4 | 11/64 | 33/64 | 3/8 | ||
0.03125 | 5/16 | 1 1/8 | 7/8 | 13/64 | 11/16 | 1/2 | ||
0.03750 | 3/8 | 1 1/4 | 1 | 1/4 | 49/64 | 9/16 | ||
0.04375 | 7/16 | 1 3/8 | 1 1/8 | 19/64 | 55/64 | 5/8 | ||
0.05000 | 1/2 | 1 1/2 | 1 1/4 | 21/64 | 1 1/32 | 3/4 | ||
0.06250 | 5/8 | 1 3/4 | 1 1/2 | 27/64 | 1 9/32 | 15/16 | ||
0.07500 | 3/4 | 2 | 1 3/4 | 1/2 | 1 35/64 | 1 1/8 | ||
0.08750 | 7/8 | 2 1/4 | 2 | 19/32 | 1 51/64 | 1 5/16 | ||
1.00000 | 1 | 2 1/2 | 2 1/4 | 21/32 | 2 1/16 | 1 1/2 | ||
1.01250 | 1 1/8 | 2 3/4 | 2 1/2 | 3/4 | 2 5/16 | 1 11/16 | ||
1.02500 | 1 1/4 | 3 | 2 3/4 | 27/32 | 2 37/64 | 1 7/8 |
Machine Bolts With/ Nuts And Washer Properties
Forming | Cold and Hot Forged |
Threads | BSW, UNC, UNF, ACME, ISO |
Metric Size | M10 - M100 |
Imperial Size | 3/8 to 8 inch |
Sub types | 1.Metric Machine Bolts 2. Partial Threaded Machine Bolts 3. Fully Threaded Machine Bolts 4. Imperial Machine Bolts |
Standards | ISO, BS, DIN, ASME, DIN-EN, UNI |
Check Regular Updated Machine Thread Eye Bolts Fully Threaded Price List
Metric Machine Bolt Size Chart
Size Of Machine Bolt | Coarse Thread (UNC) | Nominal (Major) Diameter [in] |
Fine Thread (UNF) | ||||
---|---|---|---|---|---|---|---|
Threads Per Inches |
Tensile Stress Area [in2] |
Minor Area [in2] |
Threads Per Inch |
Tensile Stress Area [in2] |
Minor Area [in2] |
||
#0 | --- | --- | --- | 0.00600 | 80 | 0.000180 | 0.000151 |
#2 | 56 | 0.000370 | 0.000310 | 0.00860 | 64 | 0.000394 | 0.000339 |
#4 | 40 | 0.000604 | 0.000496 | 0.01120 | 48 | 0.000661 | 0.000566 |
#5 | 40 | 0.000796 | 0.000672 | 0.01250 | 44 | 0.000830 | 0.000716 |
#6 | 32 | 0.000909 | 0.000745 | 0.01380 | 40 | 0.001015 | 0.000874 |
#8 | 32 | 0.00140 | 0.001196 | 0.01640 | 36 | 0.001474 | 0.001285 |
#10 | 24 | 0.00175 | 0.001450 | 0.01900 | 32 | 0.00200 | 0.00175 |
1/4" | 20 | 0.00318 | 0.00269 | 0.02500 | 28 | 0.00364 | 0.00326 |
5/16" | 18 | 0.00524 | 0.00454 | 0.03125 | 24 | 0.00580 | 0.00524 |
3/8" | 16 | 0.00775 | 0.00678 | 0.03750 | 24 | 0.00878 | 0.00809 |
7/16" | 14 | 0.01063 | 0.00933 | 0.04375 | 20 | 0.01187 | 0.01090 |
1/2" | 13 | 0.01419 | 0.01257 | 0.05000 | 20 | 0.01599 | 0.01486 |
9/16" | 12 | 0.0182 | 0.0162 | 0.05625 | 18 | 0.0203 | 0.0189 |
5/8" | 11 | 0.0226 | 0.0202 | 0.06250 | 18 | 0.0256 | 0.0240 |
3/4" | 10 | 0.0334 | 0.0302 | 0.07500 | 16 | 0.0373 | 0.0351 |
7/8" | 9 | 0.0462 | 0.0419 | 0.08750 | 14 | 0.0509 | 0.0480 |
1" | 8 | 0.0606 | 0.0551 | 1.0000 | 12 | 0.0663 | 0.0625 |
1-1/8" | 7 | 0.0763 | 0.0693 | 1.1250 | 12 | 0.0856 | 0.0812 |
1-1/4" | 7 | 0.0969 | 0.0890 | 1.2500 | 12 | 1.073 | 1.024 |
1-3/8" | 6 | 1.155 | 1.054 | 1.3750 | 12 | 1.315 | 1.260 |
1-1/2" | 6 | 1.405 | 1.294 | 1.5000 | 12 | 1.581 | 1.521 |
1-3/4" | 5 | 1.90 | 1.74 | 1.7500 | --- | --- | --- |
2" | 4.5 | 2.50 | 2.30 | 2.0000 | --- | --- | --- |
Difference Between Stud Bolts Vs Machine Bolts
Stud Bolt is a thread on full-lengths or at both ends
Machine Bolt has a hexagonal head with one nut. Both the nuts and head are six-sided.
Phillips head machine screws supplier & manufacturer In India, View Our Tamper-resistant machine screws Sizes, Weight Chart Of Countersunk Machine Bolts Online
Lengths | #2 | #3 | #4 | #5 | #6 | #8 | #10 | #12 | 1/4″ | 5/16″ | 3/8″ |
1/8 | 0.40 | 0.55 | 0.70 | 1.1 | 1.4 | — | — | — | — | — | — |
3/16 | 0.50 | 0.70 | 0.90 | 1.2 | 1.5 | 2.5 | 3.9 | — | — | — | — |
1/4 | 0.60 | 0.80 | 1.00 | 1.4 | 1.7 | 2.8 | 4.3 | 5.6 | 8.5 | — | — |
5/16 | 0.60 | 0.90 | 1.20 | 1.5 | 1.9 | 3.1 | 4.6 | 6.1 | 9.1 | 16.7 | — |
3/8 | 0.70 | 0.90 | 1.30 | 1.7 | 2.1 | 3.4 | 5.0 | 6.5 | 9.8 | 17.7 | 29.2 |
7/16 | 0.80 | 1.00 | 1.50 | 1.9 | 2.2 | 3.6 | 5.4 | 6.9 | 10.4 | 18.8 | 30.7 |
1/2 | 0.80 | 1.10 | 1.60 | 2.0 | 2.4 | 3.9 | 5.8 | 7.4 | 11.1 | 19.8 | 32.2 |
9/16 | 0.90 | 1.20 | 1.70 | 2.2 | 2.6 | 4.2 | 6.2 | 7.8 | 11.7 | 20.9 | 33.6 |
5/8 | 1.00 | 1.30 | 1.80 | 2.3 | 2.8 | 4.5 | 6.6 | 8.3 | 12.4 | 21.9 | 35.1 |
3/4 | 1.10 | 1.50 | 2.10 | 2.6 | 3.2 | 5.0 | 7.3 | 9.2 | 13.6 | 24.0 | 38.0 |
7/8 | 1.30 | 1.70 | 2.30 | 3.0 | 3.5 | 5.6 | 8.1 | 10.1 | 14.9 | 26.1 | 41.0 |
1″ | 1.40 | 1.90 | 2.50 | 3.4 | 3.9 | 6.2 | 8.9 | 11.0 | 16.1 | 28.8 | 44.0 |
1-1/8″ | 1.50 | 2.00 | 2.80 | 3.8 | 4.3 | 6.7 | 9.6 | 11.9 | 17.4 | 30.2 | 47.0 |
1-1/4″ | 1.60 | 2.20 | 3.00 | 4.1 | 4.6 | 7.3 | 10.4 | 12.8 | 18.7 | 32.3 | 49.8 |
1-1/2″ | 1.80 | 2.50 | 3.50 | 4.7 | 5.3 | 8.3 | 11.9 | 14.7 | 21.2 | 36.5 | 55.8 |
1-3/4″ | 2.10 | 2.90 | 4.00 | 5.3 | 6.1 | 9.4 | 13.5 | 16.5 | 23.7 | 40.7 | 61.7 |
2″ | 2.40 | 3.30 | 4.50 | 6.0 | 6.8 | 10.6 | 15.0 | 18.3 | 26.2 | 44.8 | 67.6 |
2-1/4″ | 2.60 | 3.60 | 5.00 | 6.7 | 7.6 | 11.8 | 16.6 | 20.1 | 28.8 | 19.0 | 73.5 |
2-1/2″ | 2.80 | 3.90 | 5.50 | 7.3 | 8.3 | 12.9 | 18.1 | 22.0 | 31.3 | 53.2 | 79.5 |
2-3/4″ | 3.10 | 4.30 | 6.00 | 7.9 | 9.1 | 13.9 | 19.7 | 23.8 | 33.9 | 57.3 | 85.3 |
3″ | 3.40 | 4.70 | 6.50 | 8.6 | 9.8 | 15.0 | 21.2 | 25.6 | 36.4 | 61.5 | 91.3 |
Hex Head Machine Bolt Dimensions
Size Of Hex Head Machine Bolt | Head Height |
Width Of Head | Min. Threaded Length |
|||
---|---|---|---|---|---|---|
Across Corners |
Across Flats |
|||||
Decimal | Fraction | Basic | Avg | Basic | >6" | ≤6" |
0.03750 | 3/8 | 1/4 | 41/64 | 9/16 | 1 1/4 | 1 |
0.04375 | 7/16 | 19/64 | 45/64 | 5/8 | 1 3/8 | 1 1/8 |
0.05000 | 1/2 | 11/32 | 27/32 | 3/4 | 1 1/2 | 1 1/4 |
0.06250 | 5/8 | 27/64 | 1 1/16 | 15/16 | 1 3/4 | 1 1/2 |
0.07500 | 3/4 | 1/2 | 1 17/64 | 1 1/8 | 2 | 1 3/4 |
0.08750 | 7/8 | 37/64 | 1 31/64 | 1 5/16 | 2 1/4 | 2 |
1.00000 | 1 | 43/64 | 1 11/16 | 1 1/2 | 2 1/2 | 2 1/4 |
1.01250 | 1 1/8 | 3/4 | 1 29/32 | 1 11/16 | 2 3/4 | 2 1/2 |
1.02500 | 1 1/4 | 27/32 | 2 7/64 | 1 7/8 | 3 | 2 3/4 |
1.03750 | 1 3/8 | 29/32 | 2 21/64 | 2 1/16 | 3 1/4 | 3 |
1.05000 | 1 1/2 | 1 | 2 17/32 | 2 1/4 | 3 1/2 | 3 1/4 |
1.07500 | 1 3/4 | 1 5/32 | 2 31/32 | 2 5/8 | 4 | 3 3/4 |
SS 316 Machine Bolt Torque Chart
Nominal Diameter | Threads (inch) | Torque ft-lb In (Dry) | Torque ft-lb In (Lubricated) |
---|---|---|---|
3/4 | 10 | 203 | 152 |
16 | 226 | 170 | |
5/16 | 18 | 13.2 | 10.0 |
24 | 14.7 | 11.0 | |
3/8 | 16 | 23.5 | 17.7 |
24 | 26.6 | 19.9 | |
7/16 | 16 | 37.6 | 28.2 |
24 | 42.0 | 31.5 | |
1/2 | 13 | 57.4 | 43.0 |
20 | 64.7 | 48.5 | |
9/16 | 12 | 82.7 | 62.1 |
18 | 92.3 | 69.2 | |
1/4 | 20 | 6.5 | 4.8 |
28 | 7.4 | 5.5 | |
7/8 | 9 | 326 | 245 |
14 | 361 | 270 | |
1 | 8 | 490 | 368 |
14 | 549 | 412 | |
1-1/4 | 7 | 853 | 639 |
12 | 944 | 708 | |
1-1/2 | 6 | 1484 | 639 |
12 | 1669 | 1252 | |
1/4 | 20 | 7.4 | 5.5 |
28 | 8.4 | 6.3 | |
5/8 | 11 | 114.2 | 85.7 |
18 | 129.3 | 97.0 | |
5/16 | 18 | 15.1 | 11.4 |
24 | 16.8 | 12.6 | |
3/8 | 16 | 26.9 | 20.2 |
24 | 30.4 | 22.8 | |
7/16 | 14 | 43.0 | 32.3 |
20 | 48.0 | 36.0 | |
1/2 | 13 | 65.6 | 49.1 |
20 | 73.9 | 55.4 | |
9/16 | 12 | 94.5 | 71.0 |
18 | 105.5 | 79.1 | |
5/8 | 11 | 130.5 | 97.9 |
18 | 147.8 | 110.9 | |
3/4 | 10 | 232 | 174 |
16 | 258 | 194 | |
7/8 | 9 | 373 | 280 |
14 | 412 | 309 | |
1-1/4 | 7 | 975 | 730 |
12 | 1079 | 809 | |
1-1/2″ | 6 | 1696 | 1271 |
12 | 1908 | 1430 | |
1″ | 8 | 560 | 420 |
14 | 628 | 471 |
Compare Allen Head, Button Head Machine Bolts Price List, Before Buying Hex And Square Head Machine Bolts
Pan head machine screws Thread Size Chart
Sizes Of Thread | Clearance Hole | Thread Depth blind hole thread engagement(Tapped and Drilled both ends) |
||
---|---|---|---|---|
Diameter x Pitch | Clearance Hole Range | Diameter x Pitch | Screw Engagement | Size Of Thread |
M1.06 x 0.035 | 1.08 To 2.01 | 1.06 x 0.035 | 4.08 mm | M 2.05 |
2.00 x 0.040 | 2.02 To 2.08 | 2.00 x 0.040 | 8.04 | 3.00 |
2.05 x 0.045 | 2.07 To 3.01 | 2.05 x 0.045 | 9.05 | 3.05 |
3.00 x 0.050 | 3.02 To 3.06 | 3.00 x 0.050 | 11.01 | 4.00 |
3.05 x 0.060 | 3.07 To 4.02 | 3.05 x 0.060 | 12.07 | 5.00 |
4.00 x 0.070 | 4.02 To 4.08 | 4.00 x 0.070 | 14.03 | 6.00 |
5.00 x 0.080 | 5.03 To 6.00 | 5.00 x 0.080 | 14.03 | 7.00 |
6.00 x 1.000 | 6.03 To 7.00 | 6.00 x 1.000 | - | - |
6.03 x 1.000 | 6.07 To 7.05 | 6.03 x 1.000 | - | - |
8.00 x 1.025 | 8.05 To 9.05 | 8.00 x 1.025 | - | - |
10.00 x 1.05 | - | - | - | - |
12.00 x 1.075 | - | - | - | - |