What size is a 18 mm bolt?
Metric clearance and tapping drill hole sizes.
| Size | Clearance Hole mm | Tapping Drill (fine pitch) |
|---|---|---|
| M10 | 11 | 9.0 or 8.75 mm |
| M12 | 14 | 10.5 mm |
| M16 | 18 | 16.5 mm |
| M20 | 22 | 20.5 mm |
What is M18 bolt?
Hex Head Bolts DIN 931 (ISO 4014) M18 in Bright Zinc Plated (BZP) Class 8 high tensile steel. Popularly used in all assemblies, a standard hex bolt is a staple across the world. Manufactured to ISO 4014 or DIN 931, and therefore includes an unthreaded section of the shaft.
What is a din933 bolt?
Metric DIN 933 Hexagon Head Cap Screws / Bolts are externally threaded fasteners with a hexagonal washer faced head and a chamfered tip to facilitate mating with an internally threaded component. DIN 933 hex screws have a fully threaded shank and are manufactured to very strict tolerances.
What size is a 8.8 Bolt?
8mm x 1.0mm x 60mm
Metric hex bolts, Zinc plated class 8.8 steel, 8mm x 1.0mm x 60mm.
What is M20 bolt?
Metric Hex Bolt Dimensions
| NOMINAL SIZE (D) | BODY DIAMETER | ACROSS THE FLATS |
|---|---|---|
| m14 | 14.00 | 22.00 |
| m16 | 16.00 | 24.00 |
| m20 | 20.00 | 30.00 |
| m24 | 24.00 | 36.00 |
What is M20 bolt size?
Dimensions for DIN931 Hex Head Bolt
| Diameter (d) | Pitch | Across Flats (s) |
|---|---|---|
| M18 | 2.5mm | 27mm |
| M20 | 2.5mm | 30mm |
| M22 | 2.5mm | 32mm |
| M24 | 3.0mm | 36mm |
What size bolt has a 19mm head?
Size Chart
| Bolt size | Size | Tolerance |
|---|---|---|
| 18mm | 18.40 | |
| 3/8″BSW | 18.43 | |
| M12 | 19mm | 19.46 |
| 1/2″UNF | 3/4″ | 19.51 |
What size is M7 bolt?
Dimensions for DIN931 Hex Head Bolt
| Diameter (d) | Pitch | Across Flats (s) |
|---|---|---|
| M5 | 0.8mm | 8mm |
| M6 | 1.0mm | 10mm |
| M7 | 1.0mm | 11mm |
| M8 | 1.25mm | 13mm |
What does HDW 8.8 mean on a bolt?
If you have ever looked a metric hex bolt you might notice the markings 8.8, 10.9 or 12.9 this does not mean grade 8,10 or 12. The grade 8.8 refers to the tensile strength which is generally 116,000 psi, grade 10.9 is generally 150,000 and grade 12.9 is generally 175,000 psi. Now what about stainless steel bolts?
What does 8.8 stand for?
Medium carbon steel
Bolt Grade Markings and Strength Chart
| Grade and Material | Nominal Size Range (inches) |
|---|---|
| Class 8.8 Medium carbon steel, quenched and tempered | All sizes below 16mm |
| 16mm – 72mm | |
| Class 10.9 Alloy steel, quenched and tempered | 5mm – 100mm |
What is the size of a coarse thread bolt?
Coarse Thread Bolts NOM. DIA. PITCH mm DIAMETER mm DIAMETER inch NUT Size M45 4.5 45 1.7717 70 M48 5 48 1.8898 75 M52 5 52 2.0472 80 M56 5.5 56 2.2047 85
What is the meaning of the diameter of a bolt?
The diameter equal to the external diameter of the threads or the overall diameter of the part. (Nominal diameter is more of a label than a size. For example, a bolt and nut may be described as being ½” diameter. But neither the external threads of the bolt nor the internal threads of the nut are exactly.500 in diameter.
What is the difference between 18-8 and metric screws?
More corrosion resistant than 18-8 stainless steel screws, these screws have excellent resistance to chemicals and salt water. They may be mildly magnetic. More corrosion resistant than 18-8 stainless steel screws, these metric screws have excellent resistance to chemicals and salt water.
What is the strength of A286 screws?
A286 stainless steel screws have comparable strength to alloy steel with the corrosion resistance of 18-8 stainless steel. With a tamper-resistant Torx or Torx Plus drive (also known as a pin-in Torx or Torx Plus drive), these screws are difficult to remove without special tools.