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Square Kelly en Seshoekige Kelly


  • tegniese eienskappe
  • Tegniese Parameters

Belangrikste tegniese kenmerke

● Both square Kelly and hexagonal Kelly is available as per customers’ requirements.

● Designed & Manufactured according to API SPEC 7-1.

● Square& Hexagonal kelly are made from AISI 4145H modified alloy bars that are quenched

and tempered full length. After such heat treatment, its brinell hardness can reach 285-341.

Kelly’s’end, drive cross-section and joint are all processed and tested conform to API criterion

Kelly SizeLengteUpper Box ConnectionLower Pin ConnectionID
(Mm)
Driving Section
mminmmType(LH)OD (mm)DraadO.D(mm)Cross Flat (mm)
For Square (mm)Cross Corner for Hex (mm)
st
opsioneel
st
opsioneel
63.52-1/2
12.196-5/8
REG
4-1/2
REG
196.8146
 
85.731.863.5
83.3
76.23
12.19
6-5/8
REG
4-1/2
REG
196.8146NC26104.844.476.210085.7
88.9
3-1/212.19
6-5/8
REG
4-1/2
REG
196.8146
NC31120.657.288.9115.1100.8
108
4-1/412.96-5/8
REG
4-1/2
REG
196.8146
NC38158.871.4108141.3122.2
NC38161.971.4108
141.3122.2
133.45-1/412.96-5/8
REG
4-1/2
REG
196.8146
NC46177.882.6133.3175.4151.6
NC50177.882.6133.3175.4
151.6
152.4
612.96-5/8
REG

196.81465-1 / 2FH

152.4
173
NC56

152.4
173


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