TRILOBULAR TYPE P THREADFORMING FOR USE IN PLASTIC

Technical Data

P Type trilobular thread form

Screw diameter Threads per inch Thread angle Taper length No. of Phillips recess c Min c Max d Min d Max
M2 32 45 degrees twin start 2.5 x pitch max 1

 

 2.02

2.12 1.94 2.04
( M2.3 ) 28 45 degrees twin start 2.5 x pitch max 1 2.33 2.43 2.25 2.35
M2.5 24 45 degrees twin start 2.5 x pitch max 1 2.53 2.63 2.44 2.54
( M2.6 ) 24 45 degrees twin start 2.5 x pitch max 1 2.63 2.73 2.54 2.64
M3 20 45 degrees twin start 2.5 x pitch max 2 3.03 3.15 2.93 3.05
( M3.5 ) 18 45 degrees twin start 2.5 x pitch max 2 3.54 3.66 3.45 3.57
M4 16 45 degrees twin start 2.5 x pitch max 2 4.04 4.16 3.9 4.02
M5 14 45 degrees twin start 2.5 x pitch max 2 5.05 5.19 4.89 5.03
M6 12 45 degrees twin start 2.5 x pitch max 3 6.06 6.24 5.86 6.04
M8 10 45 degrees twin start 2.5 x pitch max 3 8.08 8.3 7.93 8.05

MACHINE SCREW THREAD

Technical Drawings

technical drawing

Technical Data

Screw diameter Pitch Major Diameter Minor Diameter
M2 0.4 2 1.567
M2.5 0.45 2.5 2.013
M3 0.5 3 2.459
M4 0.7 4 3.242
M5 0.8 5 4.134
M6 1.0 6 4.917
M8 1.25 8 6.647

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