STARRETT Screw Pitch Gage, 27 Leaves 2-1/4-28 TPI / Model: 155

Specifications

• Made in America: Yes
• Range (TPI): 2-1/4 - 28
• Locking Device: Yes
• Material: Steel
• Number of Leaves: 27

• Most useful tool in any mechanic's tool box
• Quickly determines the pitch of a various threads
• Features a locking device at both ends of the case so leaves can be securely locked in position for use
• Leaves have a special narrow design, permitting checking internal threads in nuts as well as external threads
• Threads per inch 2-1/4, 2-3/8, 2-1/2, 2-5/8, 2-3/4, 2-7/8, 3, 3-1/4, 3-1/2, 4, 4-1/2, 5, 5-1/2, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 18, 20, 24, 28