28Pcs Whitworth UK 55 Degree Screw Pitch Thread Measuring Tool

28Pcs Whitworth UK 55° Screw Pitch Thread Measuring Tool Description: 1. Whitworth UK 55° thread measuring , one combination thread model. 2. It is one kind of a pitch, the pitch multiple stacked up special measuring tools, thread pitch for inspection. 3. Using rotary switch, can be freely adjusted 4. Quenching processing, strong hardness 5. Measuring thread and external thread tooth pitch Specification: Type: Thread Material: Stainless Steel : : 28Pcs Size: approx. 66x13mm/2.6x0.5" Measuring range: Whitworth UK 55°: 4G, 4-1/2G, 5G, 6G, 7G, 8G, 9G, 10G, 11G, 12G, 13G, 14G, 16G, 18G, 19G, 20G, 22G, 24G, 25G, 26G, 28G, 30G, 32G, 36G, 40G, 48G, 60G, 62G Package included: 1 x Thread Instructions: 1) Measure the thread pitch The thread Pilot Group as a template cards toothed steel thread in the measured work piece, if not close together, the for one, until snug. Then mark on the thread size model is the measured workpiece thread pitch. 2) Measuring the tooth-shaped corner The thread pitch and the measured workpiece thread model on the same thread on top of the , then check contact, if there is no translucent, tooth-shaped angle measured thread is correct; if there is uneven light transmission phenomenon, it the measured thread tooth shape is not accurate. Note: 1. Please allow a slight error due to manual measurements, thank you! 2. Due to the different display and different light, the picture may not reflect the actual of the item. Thanks for your understanding.












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