Thread Pitch Chart - Portland Bolt
Because of the larger tensile stress areas, they have high tension strength. However, a longer engagement is required for fine thread applications than for coarse series threads to prevent stripping. 8 – Thread Series (8UN) is the specified thread forming method for several ASTM standards including A193 B7, A193 B8/B8M, and A320. This series ...
Metric Fine Threads Chart - Boltport Fasteners
Metric Fine Threads. THREAD DATA CHART: Metric Thread -- Fine Pitch. Nominal Size ISO MF. Thread Form Type. Major Diameter mm d=D. Pitch mm p. Root Radius mm r. Pitch Diameter mm d2=D2. Minor Diameter Male Thd. d3.
British Standard Fine Threads Chart - Boltport Fasteners
THREAD DATA CHART. British Thread (British Standard Fine) -- Fine Pitch. Nominal Size BSF. Thread Form Type. Major Diameter mm d=D. Pitch mm p. Threads per inch tpi. Pitch Diameter mm d2=D2. Minor Diameter Male Thd. d3.
Bolt Torque Chart - Portland Bolt
All calculations are for Coarse Thread Series (UNC). Grade 2 calculations only cover fasteners 1 ⁄ 4 “-3 ⁄ 4 ” in diameter up to 6″ long; for longer fasteners the torque is reduced significantly. Clamp loads are based on 75% of the minimum proof loads for each grade and size.
British Standard Whitworth Threads Chart - Boltport Fasteners
Threads per inch tpi. Pitch Diameter mm d2=D2. Minor Diameter Male Thd. d3. Thread Height H1. Tap Drill Diameter mm. 1/16". BSW. 1.587. 0.423.
Fine Thread Structural Bolts - Portland Bolt
2020年1月8日 · Can A325 and A490 structural bolts be supplied with fine thread? No. The specification calls out that those bolts must be Unified National Coarse thread and have class 2A tolerances. The F3125/F3125M specification reads: 4.2 Threads: 4.2.1 Uncoated bolt threads shall be as specified in Table 1. 4.2.2 Coated bolts shall have threads meeting ...
Thread Pitch for 1-5/8″ Bolts - Portland Bolt
2014年10月27日 · The “pseudo standard” coarse thread that is often used in the industry is 5-1/2 threads per inch. The 8UN (eight threads per inch) series is also frequently used for 1-5/8” diameter as it is the only truly defined thread pitch for that diameter. We believe the Industrial Fastener Institute is currently working on formally establishing ...
Carriage Bolts - Portland Bolt
2024年8月12日 · Standard Thread Length. Bolt lengths ≤ 6″: Thread length = (2 X diameter) + 1/4″ Bolt lengths > 6″: Thread length = (2 X diameter) + 1/2″ Note: Most imported stock carriage bolts have a thread length of 6″ and are fully threaded when the bolt length is 6″ or shorter. Stock. Diameters: 1/2″ – 3/4″ Lengths: 18″ maximum ...
Bolt Thread Pitch Series
2024年5月10日 · The 8-thread series is characterized by 8 threads per inch regardless of diameter and is generally used on diameters 1” and larger. It is primarily used with bolt specifications A193 and A320, where the bolt will be used in high-pressure and/or high temperature joint applications. However, the 8-thread series is also used where and engineer ...
British Standard Fine Threads Chart - Boltport Fasteners
Information on British Standard Fine Threads and BSF Threaded Fasteners from BoltPort Fasteners. About FAQ’s Blog Supply Region Datasheets [email protected] +91-836-9719424 Menu