25/32" X 3/16" HSS Aircraft Counterbore 1/4" Shank BoltsandNuts.com • Deeper Slot Depth –

• Deeper Slot Depth – We optimized our oxygen sensor sockets for wire clearance by adding more depth to the slot • Prevents Damage to Wires – Increased socket slot and well depth keep the sensor's wires from getting pinched or damaged • Fits Most Oxygen Sensors – The internal bore and wire slot were designed to accommodate the vast majority of oxygen sensor styles encountered today • Radiused Corners Prevent Round-Off – Radiused corners prevent damage to oxygen sensors by applying force to the flat sides

a 72-tooth bit ratchet

Part Number DWC5-530-375

Flute Length 4-13/16"

25/32" X 3/16" HSS Aircraft Counterbore 1/4" Shank BoltsandNuts.com • Deeper Slot Depth –Product Description Counterboring is the enlargement of a portion of a hole that has previously been formed. If the counterbored portion is shallow (1 8" or less), the operations is usually known as spot facing; for example, a flat seat for a bolt head or nut. If, on the other hand, the hole is enlarged to a considerable depth, it is designated as counterboring. These counterbores are made of two piece construction, having an integral shank and