Общий каталог Yamawa 2022 - 2023 - страница 1243

28.28. Thread SeriesThread Series Basic profile of threadsBasic profile of threads

■■Unified Threads Unified Threads ■■Conversion TableConversion Table

SizeSize Nominal Dia. Nominal Dia. Threads per inchThreads per inch

(25.4mm)(25.4mm)

■■Metric Screw Threads (M)Metric Screw Threads (M)

■■Unified Screw Threads (UNC, UNF, etc.)Unified Screw Threads (UNC, UNF, etc.)

InternalInternal InternalInternal ThreadThread ThreadThread

ExternalExternal ExternalExternal ThreadThread ThreadThread 11// // 44 55 1616 33// // 88 77 1616 11// // 22 Threads per inchThreads per inch 99 1616 55// 88 // 1111 1616 33//

44 // Whitworth Screw Threads (W)Whitworth Screw Threads (W) Screw Threads for Sewing Machine (SM)Screw Threads for Sewing Machine (SM)

1313 1616 ■■ ■■

77// 88 // 1515 1616 11

1111// 1616 1111// 88 // 1133 1616 1111// InternalInternal

44 // InternalInternal

1155 1616 ThreadThread 11// ThreadThread 33 88 1177//

1616 1111// 22 // 1199 1616 1155// 88 111111// 1616

11// ExternalExternal ExternalExternal

33 44 ThreadThread 11 // ThreadThread 1313 1616 1177// 88

111515// 1616 22 2211// 88 2211// 44 // 2233 88

22// Threads per inchThreads per inch Threads per inchThreads per inch

11 22 2255// 88 2233// 44 //

2277 88

33 ■■Miniature Screw Threads (S)Miniature Screw Threads (S) ■■Parallel Pipe Threads (G,PF)Parallel Pipe Threads (G,PF)

3311// // 88 3311 44 3333//

88 3311// 22 // 3355 88 3333// 44 3377// 88 44 InternalInternal InternalInternal ThreadThread 4411// ThreadThread 88 4411// 44 4433// // 88 4411 22 4455// 88 4433// ExternalExternal

55 5511// 88 5511//

44 // 5533 88 5511// 22 5555// 88 5533//

44 // Note : This figure rounds off 0.320744H.Note : This figure rounds off 0.320744H. Threads per inchThreads per inch

5577 88 66 ※※ : Please select the first column by priority. And select second column and third column if necessary. : Please select the first column by priority. And select second column and third column if necessary. ■■Taper Pipe Threads (R, Rc, PT)Taper Pipe Threads (R, Rc, PT) ■■Parallel Pipe Threads for Taper Pipe Threads (Rp, PS)Parallel Pipe Threads for Taper Pipe Threads (Rp, PS)

General size list of metric trapezoidal threadsGeneral size list of metric trapezoidal threads

Unit : mmUnit : mm

InternalInternal ThreadThread InternalInternal ThreadThread

ExternalExternal ThreadThread

Central axis line of threadCentral axis line of thread Central axis line of threadCentral axis line of thread

Technical Inf

Threads per inchThreads per inch Threads per inchThreads per inch

When the tap for the trapezoidal threads not listed in the catalogue is required, please contact Yamawa sales.When the tap for the trapezoidal threads not listed in the catalogue is required, please contact Yamawa sales.