CTR, RTR : Conical & Rectangular Tip Rubber

The black nitrile rubber (NBR) is, since the beginning of chip assembly applications an appreciated base material to produce replaceable tip. Despite the emergence of other materials ( see our PCTR, BPCT or FCTR), the rubber has conserved properities giving satisfaction and flexibility.
SPT proposes a variety of rubber tips which are finished to the desired sizes.

Rectangular Tip Rubber RTR NBRRectangular Tip Rubber RTR NBRConical Tip Rubber, CTR NBR

When and Why to use CTR or RTR :

  • Color Black
  • Heat Resistance up to 100° C
  • Static Dissipative
  • Customer Shape on Request 
  • Very Popular Solution

The range of available sizes starts with a minimum size of 025x025 up to 400x400 mils
Every type is build from a family of 4 distinct types identified as:  A  B   C  D

Conical & Rectangular Tip Rubber

The types A and B are compatible with the shank having the square insert type A/B while the others are compatible with any shank having the square insert type C/D

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