Home Products Normeco industrial bits 1/4" Hex Bits Spline Bits Spline BitsEnquiries Us Description Spline Bits Table Example Order No. T L (mm) 7137M04 M4 25 7137M05 M5 25 7137M06 M6 25 Related products Torx Bits-Tamper ProofView More Square BitsView More Torx BitsView More