Metric Bolt Head and Wrench Size

ANSI/SO, DIN and JIS bolts.

ISO Metric Threaded Bolt (mm)	Spanner or Wrench Size (mm)	Allen Key (mm)
3	5.5
4	7	7	7
5	8	8	8	4
6	10	10	10	5
7		11
8	13	13	12	6
10	15, 16	17	14	8
12	18	19	17	10
14	21	22	19
16	24	24	22	14
18		27
20	30	30		17
24	36			19

Related Documents

Bolt Stretching and Tensile Stress - Tensile stress and Hooke's Law.
Drill Bit Speed - Hardwood and Softwood - Hardwood and softwood drill speed chart.
Hexagons and Squares - Diagonal Lengths - Distances between corners for hexagons and squares.
ISO 724 - Metric Threads - Dimensions of metric threads according ISO 724.
Metric Bolts - Minimum Ultimate Tensile and Proof Loads - Minimum ultimate tensile and proof loads for metric bolts with coarse or fine threads.
Metric Bolts - Tightening Torques - Recommended thightening torque metric bolts.
Metric Steel Bolts - Grades and Property Classes - Metric steel bolts, screws and studs - proof and tensile strength.
Metric Threads - Clearance Holes and Tapping Drill Sizes - Recommended clearance holes and drill tap sizes.
Reduced Torque with Lubricated Bolts - Lubrication effect on bolt tension and torque.
Screws - Metric vs. Inches - Metric versus Imperial equivalent screw dimensions.
Steel Bolts - ASTM Grades - ASTM steel bolts - proof and tensile strength.
Steel Bolts - SAE Grades - SAE steel bolts - grades ranging grade 1 to 8.2 - proof and tensile strength.
T-Slots and T-Nuts - Metric Sizes - Standard metric T-slots and T-nuts.
Threaded Bolts - Stress Area - Threaded bolts tensile stress area.
UNC and UNF - Unified Inch Screw Threads - ANSI/ASME B1.1 Unified National Thread - UNC Coarse series and UNF Fine series.
US Bolts - Head and Wrench Sizes - Hex Bolt, Lag Bolt, Square Bolt and Heavy Hex Bolt.
US Hex Bolts - Inches - ANSI/ASME B18.2.1 Dimensions of Hex Bolts - Imperial units.
US Hex Bolts - Metric - ANSI/ASME B18.2.3M Dimensions of Hex Bolts - Metric units.
US Machine Screws - Dimensions - Machine screw diameters.

Engineering ToolBox - SketchUp Extension - Online 3D modeling!

3D Engineering ToolBox Extension to SketchUp - add parametric components to your SketchUp model

Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your Sketchup model with the Engineering ToolBox - SketchUp Extension - enabled for use with the amazing, fun and free SketchUp Make and SketchUp Pro .Add the Engineering ToolBox extension to your SketchUp from the SketchUp Pro Sketchup Extension Warehouse!

Privacy

We don't collect information from our users. Only emails and answers are saved in our archive. Cookies are only used in the browser to improve user experience.

Some of our calculators and applications let you save application data to your local computer. These applications will - due to browser restrictions - send data between your browser and our server. We don't save this data.

Google use cookies for serving our ads and handling visitor statistics. Please read Google Privacy & Terms for more information about how you can control adserving and the information collected.

AddThis use cookies for handling links to social media. Please read AddThis Privacy for more information.

Metric Bolt Head and Wrench Size

ANSI/SO, DIN and JIS bolts.

Related Topics

Related Documents

Engineering ToolBox - SketchUp Extension - Online 3D modeling!

Privacy

Advertise in the ToolBox

Citation

Scientific Online Calculator

ISO Metric Threaded Bolt (mm)	Spanner or Wrench Size (mm)			Allen Key (mm)
	ANSI/ISO	DIN	JIS	ANSI/ISO
	3	5.5
4	7	7	7
5	8	8	8	4
6	10	10	10	5
7		11
8	13	13	12	6
10	15, 16	17	14	8
12	18	19	17	10
14	21	22	19
16	24	24	22	14
18		27
20	30	30		17
24	36			19