Niigata Seiki SK Made in Japan Screw Pin Gauge M4xP0.7 RA407-3

For cases where chamfering of screw holes is not possible. Material: Stainless steel (SUS303) Accuracy: Runout of measuring part and thread part: 0.02mm or less Nominal dimensions: M4×P0.7 a(mm) : 5 b(mm) : 38.0 c(mm) : 30.0 d(mm) : 3.50 e(mm) : 3.50