Question: What Diameter Is A 1/2 Bolt?

What size bolt has a 1/2 inch head?

US Bolt Head/Wrench SizeBolt DiameterHead and Wrench SizeHex Bolt – Lag Bolt – Square BoltHeavy Hex Bolt5/16″1/2″-3/8″9/16″-7/16″5/8″-13 more rows.

What is the diameter of a bolt?

Diameters of Screws / Bolts To measure the diameter of screws and bolts, you measure the distance from the outer thread on one side to the outer thread on the other side. This is called the major diameter and will usually be the proper size of the bolt.

How do you read bolt sizes?

How to Read Screw SizesRead the first letter of the size. This the largest diameter: the measurement of the screw on the thread. … Read the second number. This is either the number of threads per unit of the distance between threads; also known as the “thread pitch”. … Read the third number, generally the one following the “x.”

What are the standard wrench sizes?

Wrench Size Chart for BoltsBolt DiameterWrench Size (Standard)Wrench Size (Metric)3/8″9/16″15mm7/16″5/8″16mm1/2″3/4″19mm9/16″13/16″21mm20 more rows•May 29, 2020

What diameter is a 1/4 bolt?

Bolt Thread SizesSizeNominal (Major) Diameter [in]Coarse Thread (UNC)Minor Area [in2]1/4″0.25000.02695/16″0.31250.04543/8″0.37500.067820 more rows

What are the dimensions of a bolt?

Table B1 HEX BOLT DIMENSIONSBolt SizeA (max)F Thread Length for Bolt Length3/4″0.7682.0007/8″0.8952.2501″1.0222.50021 more rows

What size is a 6mm bolt?

Metric Shoulder Bolt DimensionsShoulder Diameter (A)Thread (C)Thread Length (D)6mm5mm x 0.89.75mm8mm6mm x 1.011.25mm10mm8mm x 1.2513.25mm12mm10mm x 1.516.4mm3 more rows

What does m8 1.25 bolt mean?

For metric fasteners, you will see a M8 x 1.25 or an M8 x 1. For thread pitch, the distance between two points is the second number meaning the higher the number the fewer threads there are. This means the M8 x 1.25 is the coarse threading and the M8 x 1 is the fine thread.

What size bolt does a 14mm wrench fit?

Stay and get 5% OFF your purchase in the next hour!…Standard / Metric Wrench Conversion Chart.Bolt DiameterStandardMetric3/16″3/8″10mm1/4″7/16″11mm5/16″1/2″13mm3/8″9/16″14mm39 more rows•Aug 26, 2019

What size bolt takes a 15mm wrench?

The standard wrenches needed are: 11,13,15,17,19,22,24,27,30,32,36mm. I believe that the bold that goes with the 15mm wrench is normally an M8. M8s usually use 12 or 13mm heads. Your list of wrenches may be true for whatever you work on, but the reality is that you need most sizes.

What size is m8?

Tap sizeBasic major dia (mm)Basic major dia (inch)M6 x 16mm.2362M8 x 1.258mm.3150M8 x 18mm.3150M10 x 1.510mm.393724 more rows

What are the most common metric bolt sizes?

Table 3.MetricClosest InchM8-1.255/16-18 (Smaller)M10-1.53/8-16 (Smaller)M12-1.751/2-13 (Larger)M14-2.09/16-12 (Larger)16 more rows

How do I know what size my screw is?

How to Determine Screw Size & Thread CountLay the screw down on a flat surface. … Place a steel rule down the axis of the screw. … Count the number of thread gaps within 1 inch of the screw.Divide the count of thread gaps into the length. … Place the screw on a flat surface.Lay a steel rule between two screw threads and measure across the diameter.

What size is a 4mm screw?

Screw sizesGauge (mm)4mm128 x 1/2168 x 5/8208 x 3/4258 x 165 more rows