1-3/8" HSS Spiral Flute Hand Reamer Shopify Collective the keys rest in hex-shaped

the keys rest in hex-shaped slots

Tap Drill Size 4

Part Number MMO3/8-4FSE-BN

Part Number D/ARSD1-19/64

1-3/8" HSS Spiral Flute Hand Reamer Shopify Collective the keys rest in hex-shapedProduct Description Hand reamers are made of high speed steel and are generally used by hand for the final sizing of holes. The square on the shank is suitable for holding in a tap wrench or a vise depending on whether the reamer or the part is rotated. A long starting taper is ground into the reamer for easy entry and accurate alignment. The straight flute hand reamer is recommended for most hand reaming applications. The spiral flute hand reamer is