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Polyplast 30 Torx Flange

Series 20210 Type: 1451

Substitute the length for the L In the part no. to specify the exact part required. The 30 deg. Flank angle and recessed core diameter of these thread forming screws for plastic have been developed following theoretical appraisal, exhaustive calculations and final proof testing. The 30 deg. Flank angle produces low radial forces when engaging the plastic, therefore resulting in less radial stresses and tension. In other words the hoop stresses in the plastic bosses are less than those experienced with conventional screws. The recessed core geometry provides the ideal flow director for the displaced plastic, encouraging a uniform flow to fill the pitch of the screw without material jamming. This results in the maximum amount of plastic being engaged to provide higher sheer loads, due to the increased bearing depth of the thread. A combination of the above and the ease of penetration of the 30 deg. Flank angle through the material and the way in which the plastic flows, reduces the torque required to drive the screw in. This fact therefore increases the margin between drive torque and stripping torque which of course minimises the potential of stripping during installation. The optimum pitch and maximum fill features provided by the recessed core results in a large area of plastic to be sheered prior to screw failure in tension. This creates a high resistance to pullout loads.

1451K 20XL2.01.150.892. 61.750.50/0.65
1451K 22XL2.21.250.982. 61.750.70/0.85
1451K 25XL2.51.401. 61.750.70/0.85
1451K 30XL3.01.661.343. 61.751.00/1.30
1451K 35XL3.51.911.573. 102.801.10/1.40
1451K 40XL4.02.171.794. 203.951.25/1.70
1451K 50XL5.02.682.245.02.510.03.31.00T 203.951.40/1.80
1451K 60XL6.03.192.696. 254.501.60/2.00
1451K 70XL7.03.703.147.03.514.04.21.40T 305.602.00/2.40
1451K 80XL8.04.213.598. 406.752.70/3.20
1451K 100XL10.05.234.4910. 406.752.70/3.20
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