Size In Ready Stock
- M4 To M72
Dalloyed Fasteners are one of the leading screws manufacturer in India offering a wide range of high quality automotive screws in Mumbai.
Searching Screw Manufacturer in India?, Choosing the Right Screw for Woodworking Project
Table of Content
Available Screw Type
Parts of a Screw
Steel Screw Specification
Size In Ready Stock
Industrial Screw Head Shape
Custom Screws Manufacturing Types
Characteristics Of Metric Screws
Marine Screws Testing
Uses Of Steel Screw
Packaging Types
Raw Material Origin
Screw Weight
Superior heat resistance screw manufacturer in india With MTC report, Buy industrial screw in different sizes, threads at fair price for extreme environments. All marine screws manufactured by us come in both metric and regular specifications.
Screw Material Types
following material can use in the manufacturing of industrial screw
| Material | Color |
|---|---|
| Titanium Screw |  |
| Stainless Steel Screw |  |
| Molybdenum Screw |  |
| Copper Screw |  |
| Brass Screw |  |
| Aluminum Screw |  |
| Superalloys Screw |  |
Screw Price List
How to Calculate Screw Weight?
Weight = (π / 4 × d² × L × Density) + Head Weight
Types of Screw
Sheet Metal Screws
Machine Screws
Wood Screws
Lag Screws
Drywall Screws
Concrete Screws
Double Ended Screws
Set screws
Shoulder Screws
Thread Cutting Screws
Tamper Proof Screw
Roofing Screws
Screws Manufacturing Process
The production of a screw normally involves three main method
Requirements for the Material of the Machine Screw
What are Screw Heads?
Screw Head Types
Flat Head
Oval Head
Pan Head
Truss Head
Round Head
Hex Head
Socket Cap Head
Button Head
Screw Drive Styles
Slotted Drive
Phillips Drive
Square Drive
Six Lobe with Pin
One Way Drive
Hex Socket with Pin Drive
External Square Drive
External Slotted Drive
Types of Screw Points
Die Points
Dog Points
Type A Points
Type B Points
Type AB
Type C Points
Type U Points
Type 1 Points
Custom size screw manufacturer in India As Per ASME B18 6.3, Buy steel screw with different type such a wood, lag, drywall, concrete and double ended screws for power stations. As the well established screw manufacturing company in India, we also manufacture all types of marine screws with M3 to M24.
Types of Custom Screws Threads
Standard (Metric or Unified)
Square Threads
ACME Threads
Buttress Threads
What Do You Use to Drive Your Automotive Screws?
Manual Screw Driver
Torqued Screw Driver
Ratcheted Screw Driver
MechanizedScrew Driver
What are Metric Screws Gauges?
| Gauge | Pilot Hole | Clearance Hole | |
|---|---|---|---|
| Metric | Imperial | - | - |
| M2 | 2 | 1.6mm | 2.5mm |
| M3 | 4 | 2mm | 3.5mm |
| M4 | 8 | 2.5mm | 5mm |
| M5 | 10 | 3.5mm | 5.75mm |
| M6.5 | 14 | 4mm | 6.5mm |
Screw manufacturer in India in cold forging and hot forging, Buy automotive screws in custom sizes to meet your unique timeline. Anti theft screws provide leak proof connections in harsh environments.
DIN 84 Weight Chart
Weight are in kgs per 1,000 pieces
| Diameter | M2 | M2.5 | M3 | M4 | M5 | M6 | M8 | M10 |
|---|---|---|---|---|---|---|---|---|
| Length | ||||||||
| 4 mm | 0.179 | 0.302 | 0.515 | 1.02 | - | - | - | - |
| 6 mm | 0.217 | 0.362 | 0.604 | 1.17 | 2.06 | - | - | - |
| 8 mm | 0.254 | 0.422 | 0.692 | 1.33 | 2.20 | 3.56 | - | - |
| 10 mm | 0.291 | 0.482 | 0.780 | 1.47 | 2.55 | 3.92 | 7.85 | - |
| 12 mm | 0.329 | 0.542 | 0.868 | 1.63 | 2.80 | 4.27 | 8.49 | 14.6 |
| 14 mm | 0.365 | 0.602 | 0.956 | 1.79 | 3.05 | 4.62 | 9.13 | 15.6 |
| 16 mm | 0.402 | 0.662 | 1.040 | 1.95 | 3.30 | 4.98 | 9.77 | 16.6 |
| 18 mm | 0.440 | 0.722 | 1.130 | 2.10 | 3.54 | 5.34 | 10.40 | 17.6 |
| 20 mm | 0.478 | 0.782 | 1.220 | 2.25 | 3.78 | 5.69 | 11.00 | 18.6 |
| 25 mm | - | - | 1.440 | 2.64 | 4.40 | 6.56 | 12.60 | 21.1 |
| 30 mm | - | - | 1.660 | 3.02 | 5.02 | 7.45 | 14.20 | 23.6 |
| 35 mm | - | - | 1.880 | 3.41 | 5.62 | 8.25 | 15.80 | 26.1 |
| 40 mm | - | - | 2.100 | 3.80 | 6.25 | 9.20 | 17.40 | 28.6 |
| 45 mm | - | - | - | 4.17 | 6.88 | 10.00 | 18.90 | 31.1 |
| 50 mm | - | - | - | 4.57 | 7.50 | 10.90 | 20.60 | 33.6 |
| 60 mm | - | - | - | - | - | - | - | 38.6 |
US Screw Size Chart
| Screw Size | Metric Equivalent | Decimal |
|---|---|---|
| #1 | 1.85 | 0.073" |
| #2 | 2.18 | 0.086" |
| #3 | 2.51 | 0.099" |
| #4 | 2.84 | 0.112" |
| #5 | 3.18 | 0.125" |
| #6 | 3.51 | 0.138" |
| #8 | 4.17 | 0.164" |
| #10 | 4.83 | 0.190" |
| #12 | 5.49 | 0.216" |
| #14 | 6.35 | 0.250" |
Metric Screw Thread Chart
| Size of Tap in Metric | Clearance Drill (Inch) | Tap Drill (Inch) |
|---|---|---|
| M1.6 x 0.35 | 0.070 | 0.052 |
| M2 x 0.4 | 0.082 | 0.063 |
| M3.5 x 0.6 | 0.140 | 0.116 |
| M4 x 0.7 | 0.166 | 0.136 |
| M5 x 0.8 | 0.201 | 0.169 |
| M6 x 1 | 0.242 | 0.199 |
| M8 x 1 | 0.323 | 0.277 |
| M10 x 1.25 | 0.406 | 0.348 |
| M12 x 1.25 | 0.484 | 0.421 |
| M14 x 2 | 0.562 | 0.484 |
| M16 x 2 | 0.640 | 0.562 |
| M18 x 2.5 | 0.718 | 0.625 |
| M20 x 1.5 | 0.812 | 0.734 |
Outside Diameter of Screws
| Screws O.D. MM | Screws O.D. Inch |
|---|---|
| 1.6 | 0.063 |
| 2.0 | 0.078 |
| 3.0 | 0.118 |
| 4.0 | 0.157 |
| 5.0 | 0.197 |
| 6.0 | 0.236 |
| 7.0 | 0.275 |
| 8.0 | 0.315 |
| 10 | 0.394 |
| 12 | 0.472 |
| 14 | 0.551 |
| 16 | 0.630 |
| 18 | 0.708 |
| 19 | 0.748 |
| 20 | 0.787 |
| 21 | 0.827 |
| 22 | 0.866 |
An Mumbai-based screw manufacturer in India, Dalloyed Fasteners offers concrete screws for both small and large orders as per ASTM, ISO and DIN standards.
Screw Torque Chart
| Thread | Screw Torque Chart (Nmm) | ||||
|---|---|---|---|---|---|
| A2-70 | A4-70 | Grade 8.8 | Grade 10.9 | Grade 12.9 | |
| M1.6 | 0.2 | 0.24 | - | - | - |
| M2 | 0.4 | 0.48 | - | - | - |
| M2.5 | 0.9 | 0.96 | - | - | - |
| M3 | 1.6 | 1.8 | 1.5 | 1.9 | 2.1 |
| M4 | 3.8 | 4.3 | 3.6 | 4.4 | 4.9 |
| M5 | 7.8 | 8.8 | 7.6 | 9.3 | 10 |
| M6 | 13 | 15 | 13 | 16 | 17 |
| M8 | 32 | 37 | 33 | 46 | 52 |
| M10 | 65 | 74 | 66 | 81 | 90 |
| M12 | 110 | 130 | - | - | - |
| M16 | 290 | 330 | - | - | - |
