1 . 022 7/32 5/32 5/32 5/16 1/32 5/16 7/64 NRC-U-6673 2 1/32 9/32 1/36 3/32 3/8 1/32 1/2 NRC-U-6674 3 1/32 19/64 21/64 3/8 7/32 19/32 3/64 13/16 3/16 NRC-U-6675 4 3/64 15/64 9/32 9/32 3/32 3/8 * 13/32 9/64 NRC-U-6676 5 1/16 3/32 1/4 9/32 3/32 3/8 3/32 1/2 1/8 NRC-U-6677 6 1/8 7/32 9/16 23/32 9/32 1 ** 1 3/4 9/32 NRC-U-6678 7 5/8 3/16 1 5/8 3/8 1 * 1/2 1/2 NRC-U-6679 8 5/8 3/16 1 5/8 3/8 1 3/32 7/8 11/16 NRC-U-6680 1 . 022 7/32 5/32 5/32 5/16 1/32 5/16 7/64 NRC-U-6681 2 1/32 9/32 1/36 3/32 3/8 1/32 1/2 NRC-U-6682 3 1/32 19/64 21/64 3/8 7/32 19/32 3/64 13/16 3/16 NRC-U-6683 4 3/64 15/64 9/32 9/32 3/32 3/8 * 13/32 9/64 NRC-U-6684 5 1/16 3/32 1/4 9/32 3/32 3/8 3/32 1/2 1/8 NRC-U-6685 6 1/8 7/32 9/16 23/32 9/32 1 ** 1 3/4 9/32 NRC-U-6686 7 5/8 3/16 1 5/8 3/8 1 * 1/2 1/2 NRC-U-6687 8 5/8 3/16 1 5/8 3/8 1 3/32 7/8 11/16 NRC-U-6688