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threads
Male threads
• tapered (conical) 1:16
• Flankenwinkel 55°
• Whitworth pipe threads
• ISO 7-1, EN 10226 (DIN 2999, BSPT)

• code [R]
Female threads
• cylindrical (parallel)
• Whitworth pipe thread
• ISO 228-1 (DIN 259, BSPP)

• code [G]


InchesMale thread-Ø (mm)Number of threads 1 inch
1/8"9,72828
1/4"13,15719
3/8"16,66219
1/2"20,95514
3/4"26,44114
1"33,24911
1 1/4"41,91011
1 1/2"47,80311
2"59,61411
2 1/2"75,18411
3"87,88411
4"113,03011
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Stainless steel fittings PN 16/ 20 (ISO 4144) Interesting facts threads

threads
Male threads
• tapered (conical) 1:16
• Flankenwinkel 55°
• Whitworth pipe threads
• ISO 7-1, EN 10226 (DIN 2999, BSPT)

• code [R]
Female threads
• cylindrical (parallel)
• Whitworth pipe thread
• ISO 228-1 (DIN 259, BSPP)

• code [G]


InchesMale thread-Ø (mm)Number of threads 1 inch
1/8"9,72828
1/4"13,15719
3/8"16,66219
1/2"20,95514
3/4"26,44114
1"33,24911
1 1/4"41,91011
1 1/2"47,80311
2"59,61411
2 1/2"75,18411
3"87,88411
4"113,03011
downloads
Ask our experts