Stainless Steel Lag Screws are known as coach screws, lag bolts or lag screws. These are larger in size compared to other screw types. Suraj Metal Corporation is a leading manufacturer and supplier of the different Stainless Steel Lag Bolts in different sizes and grades. These range from ½ inches and above. These are wood screws that are large in size.
The 3/8" | 316 Stainless Steel Lag Bolts are used in wooden applications that have to be corrosion resistant and rust proof. The 316 material is resistant to marine environments. The Galvanized Square Head Lag Bolts have a finishing by galvanization. These have sharp cutting threads for wood screws. These are good for use in exterior applications which need corrosion resistant and rust proof screws. They can go as large as 12 Inch Hex Lag Screw and are driven with hex torque wrenches. They can be self-tapping screws as well. There are different types of screws such as the Heavy Duty Eye Lag Bolts which are used to hold the bolts deep into the material. As a leading supplier of the lag screws we produce all types such as the Stainless Steel 304 Square Head Lag Screws and other types. Please contact us for more information and the price list of the lag screws
| Leg Screws Thread size | M2 to M8 1/8” to 2BA |
|---|---|
| DIN 571 Stainless Steel Hex Lag Screw Length | 2 mm, 1.2 mm, 1 mm, 45 mm |
| SS304 DIN 571 half thread hex head lag Screw Standard | DIN 7985, ISO 7045, DIN 571 |
| ANSI big long Hex Lag Screw Type | Pan/ Round/ Oval/ countersunk/ Truss head |
| Nominal Size | Threads per Inch |
Head Width | Head Height |
||
|---|---|---|---|---|---|
| Across Flats |
Across Corners |
||||
| Fraction | Decimal | Basic | Avg | Basic | |
| 1/4 | 0.2500 | 10 | 7/16 | 1/2 | 11/64 |
| 5/16 | 0.3125 | 9 | 1/2 | 9/16 | 7/32 |
| 3/8 | 0.3750 | 7 | 9/16 | 41/64 | 1/4 |
| 7/16† | 0.4375 | 7 | 5/8 | 45/64 | 19/64 |
| 1/2 | 0.5000 | 6 | 3/4 | 27/32 | 11/32 |
| 5/8 | 0.6250 | 5 | 15/16 | 1 1/16 | 27/64 |
| 3/4 | 0.7500 | 4 1/2 | 1 1/8 | 1 17/64 | 1/2 |
| Screw Size | Pilot Hole Size | |||
|---|---|---|---|---|
| Body | Threaded Section | |||
| Soft Wood Groups III & IV |
Medium Wood Group II |
Hard Wood Group I |
||
| 1/4 | 1/4 | 3/32 | 5/32 | 3/16 |
| 5/16 | 5/16 | 9/64 | 3/16 | 13/64 |
| 3/8 | 3/8 | 11/64 | 15/64 | 1/4 |
| 7/16† | 7/16 | 13/64 | 9/32 | 19/64 |
| 1/2 | 1/2 | 15/64 | 5/16 | 11/32 |
| 5/8 | 5/8 | 5/16 | 13/32 | 29/64 |
| 3/4 | 3/4 | 13/32 | 1/2 | 9/16 |
| 3/8" | 316 Stainless Steel Lag Bolts | 12 Inch Eye Lag Bolt |
| 6 Inch Lag Bolts | 8 Inch Hex Head Lag Screw |
| 3 Inch Black Lag Screws |
| 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 |
