1088848 | KF080M-052-MRPH (Each) --- Mushroom Knobs - M8 - 8x1.25mm - 51.6x38.1 mm Round - Phenolic Knob 480.00x85.00 529 mm / 48 TPI

529 mm / 48 TPI - Bottoming Threading Tools - High Speed Carbon Steel - Sold Per 2:

CHTBN340S2M40

CTTBN660T10400

2-1/2x1-9/16x3/4 inch Roller - 63

4mm is 41 in

1088848 | KF080M-052-MRPH (Each) --- Mushroom Knobs - M8 - 8x1.25mm - 51.6x38.1 mm Round - Phenolic Knob 480.00x85.00 529 mm / 48 TPIM8 (8x1. 25mm) 51. 6x38. 1 mm Mushroom Knobs Phenolic Sold Per Each: Base Category: Knobs Mushroom Top Level Category: Knobs Mushroom Round Female Phenolic Product Details Thread Size: M8 (8x1. 25mm) Phenolic Thread Size: M8 (8x1. 25mm) Head Diameter (A): 51. 60mm (51. 60mm is 2. 031 in.) Height (B): 38. 1mm (38. 1mm is 1. 5 in.) Thread Type: Brass Shank Diameter (C): 19. 05mm Thread Depth: 11. 0mm Brand: MBA Country of Origin: US Product Compliance