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4306M/A-Spark Plug Socket (12 Point)-½”Drive

SKU 4306M/A Categories Socket /Impact Socket / Socket Wrench Set, Socket, Socket-½"DR. Tags 12Pt, ½"DR, Hand Socket, Spark Plug

4306M	4306A	D mm	L mm	g	pcs
14		18.9	67	95	10
16	⅝"	22	65	98	10
20.8	¹³ᐟ₁₆"	28	65	130	10

Integrated Rubber Retainer: The internal rubber insert provides two functions: it centers the spark plug within the socket to prevent terminal damage and provides enough friction to lift the plug out of deep cylinder head wells.
12-Point (Bi-Hex) Profile: Modern thin-wall spark plugs often require 12-point engagement. This profile allows the socket to seat onto the plug every $30^\circ$, which is essential when using extensions in cramped engine bays.
Deep-Well Architecture: The 4306M/A is engineered with a hollow internal bore specifically scaled to clear the terminal and ceramic body of standard and long-reach spark plugs.
Forged Chrome Vanadium (Cr-V): Precision heat-treated to exceed DIN 3124 industrial standards, ensuring the socket walls do not “spread” under high torque.
Knurled Grip Base: Features a textured knurling at the base of the socket to allow for rapid finger-tightening before the ratchet is applied, ensuring threads are correctly started to prevent cross-threading.