ASTM A320 L7M Bolt

AISI Grade L7M Hex Head Bolts, ASTM A320 Grade L7M Hex Bolts, Grade L7M Stud Bolts, Grade L7M Eye Bolts.

ASTM A320 L7M Bolts are our specialty, and we at fas10 are proud to say that we are one of the leading manufacturers and suppliers in this industry. We have a variety of Bolts made of Steel, including ASTM A320 L7M Bolts, amongst others. We are able to provide acceptable solutions for a wide range of sectors thanks to the extensive grades and kinds of Bolts that we stock. Our Bolts have a number of great characteristics, including a longer working life, flawless finish, tough construction, high corrosion resistance, precision engineered, rust-proof, and a lot of other characteristics.

Numerous industrial clients rely on us to provide them with AISI Grade L7M Hex Head Bolt of the finest possible quality. We use the highest quality raw materials to make a comprehensive range of various kinds of Bolts. The material is chosen after being put through many rounds of testing. With the assistance of modern equipment and cutting-edge technology, we are now producing a large quantity of ASTM A320 L7M Bolts. Many different types of Bolts may be ordered from our high-tech manufacturing company in a wide range of dimensions, standards, designations, and customer requirements.

ASTM A320 L7M Bolt

About ASTM A320 L7M Bolt

L7M Grade Flange Head Bolts, ASTM A320 L7M Carriage Bolts, AISI Grade L7M U Bolts, ASTM A320 L7M Allen Bolts.

The goal of fas10 is to produce the greatest possible quality within the allotted amount of time.  By conducting tests, our experienced personnel are systematically testing and supervising the whole process. Our specialists put Grade L7M Stud Bolt through a variety of tests in order to evaluate the Bolts’ durability, quality, and performance. Our high-grade Bolts have properties like great corrosion resistance, pitting and crevice corrosion resistance, and outstanding thermal stability, and they also give exceptional performance in increased temperatures. These are just some of the attributes that make them stand out.

ASTM A320 L7M Bolt Specification

DimensionsASME B18.2.1, B18.3
Melt OriginKorea, South America, Japan, East Europe,
Mandatory RequirementsFree from Mercury & Radioactive Contamination
Additional CertificationsPED 97/ 23/ EC Certified, Merkblatt AD 2000 W2 Certified
CertificationDual Certified As per ASTM & ASME Codes
Additional RequirementsNACE MR0103 / MR0175 / ISO 15156 Compliance
Threads ConfigurationASME B1.1 2A/3A Inch Unified Threads and B1.13M 6h Metric Coarse Threads

Equivalent Grades ASTM A320 L7M Bolt


Chemical Composition ASTM A320 L7M Bolt

Element CarbonManganesePhosphorus, maximumSulfur, maximumSiliconChromiumNickelMolybdenum
L7M (AISI 4140)0.38 - 0.48%0.75 - 1.00%0.035%0.040%0.15 - 0.35%0.80 - 1.10%-0.15 - 0.25%

Mechanical Properties ASTM A320 L7M Bolt

GradeDiameter,[mm]Minimum Tempering TemperatureTensile Strength, min, MPaYield Strength min, 0.2% offset MPaElongation in 4D min, %Reduction of Area min %Hardness max
L7MM100 and under 6206905501850235 HBW or 99 HRC
 over M100 to M1806206905151850235 HBW or 99 HRC

Dimensions Of ASTM A320 L7M Bolt

ASTM A320 Grade L7M Bolts Dimensions Chart :

Hex Bolts Dimensions
All dimensions are in mm unless mentioned otherwise
Nominal Size
or Basic

Full-Size Body
Width Across Flats,
Width Across
Corners, G
Head Height, H BasicRadius of
Fillet, R
Nominal Thread
Length for Bolt
MaxMinMaxMin6 in. and
6 in.
7⁄80.8750.8950.8521 5⁄161.3121.2691.5161.44737⁄640.6040.5310.060.0222.25
111.0220.9761 1⁄21.51.451.7321.65343⁄640.70.5910.
1 1⁄81.1251.1491.0981 11⁄161.6881.6311.9491.8593⁄40.780.6580.
1 1⁄41.251.2771.2231 7⁄81.8751.8122.1652.06627⁄320.8760.7490.090.032.753
1 3⁄81.3751.4041.3452 1⁄162.0621.9942.3822.27329⁄320.940.810.090.0333.25
1 1⁄21.51.5311.472 1⁄42.252.1752.5982.4811.0360.9020.
1 5⁄81.6251.6581.5912 7⁄162.4382.3562.8152.6161 3⁄321.1160.9780.
1 3⁄41.751.7851.7162 5⁄82.6252.5383.0312.8931 5⁄321.1961.0540.120.043.754
1 7⁄81.8751.9121.8392 13⁄162.8122.7193.2483.0991 1⁄41.2761.130.120.0444.25
222.0391.964332.93.4643.3061 11⁄321.3881.1750.
2 1⁄42.252.3052.2143 3⁄83.3753.2623.8973.7191 1⁄21.5481.3270.190.064.755
2 1⁄22.52.5592.4613 3⁄43.753.6254.334.1331 21⁄321.7081.4790.
2 3⁄42.752.8272.7114 1⁄84.1253.9884.7634.5461 13⁄161.8691.6320.190.065.756
333.0812.9614 1⁄24.54.355.1964.95922.061.8150.
3 1⁄43.253.3353.214 7⁄84.8754.7125.6295.3722 3⁄162.2511.9360.190.066.757
3 1⁄23.53.5893.4615 1⁄45.255.0756.0625.7862 5⁄162.382.0570.
3 3⁄43.753.8583.7265 5⁄85.6255.4376.4956.1982 1⁄22.5722.2410.190.067.758
444.1113.975665.86.9286.6122 11⁄162.7642.4240.

Different Types Of ASTM A320 L7M Bolt

Different Types Of Bolts:

Hex Bolt
ASTM A320 Grade L7M Hex Bolts
Carriage bolt
ASTM A320 Grade L7M Carriage Bolts
Stud Bolt
ASTM A320 Grade L7M Stud Bolts
Hex Head bolt
ASTM A320 Grade L7M Hex Head Bolts
Forged Hook bolt
ASTM A320 Grade L7M Forged Hook Bolts
Torx Bolts
ASTM A320 Grade L7M Torx Bolts
countersunk bolt
ASTM A320 Grade L7M Countersunk Bolts
Flange Head Bolts
ASTM A320 Grade L7M Flange Head Bolts
Allen Bolts
ASTM A320 Grade L7M Allen Bolts
12 point flange bolt
ASTM A320 Grade L7M 12-Point Flange Bolts
eye bolt
ASTM A320 Grade L7M Eye Bolts
a2 70 stainless steel Bolts
ASTM A320 Grade L7M Bolts
u bolt
ASTM A320 Grade L7M U Bolts
J bolt
ASTM A320 Grade L7M J Bolts
Elevator Bolt
ASTM A320 Grade L7M Elevator Bolt
Threaded expansion anchor bolt
ASTM A320 Grade L7M Threaded Expansion Anchor Bolt
High Performance anchor Bolts
ASME SA 320 L7M High Performance Anchor Bolts
lag bolt
ASTM A320 Grade L7M Lag Bolts

Application of ASTM A320 L7M Bolt

Testing of ASTM A320 L7M Bolt

Packing Of ASTM A320 L7M Bolt

Destination Of ASTM A320 L7M Bolt

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