JCP Heavy Duty Anchors, Countersunk

M6 - M12 Carbon steel, bright zinc plated

We supply JCP countersunk heavy duty anchors in bright zinc plated steel from M6 to M12 (drill sizes 10mm to 18mm). Same three-part expansion sleeve and ETA Option 1 assessment as the rest of the heavy duty family. The countersunk head pulls flush; the M10 sizes take a Torx T50 drive and some sizes sit outside the ETA, as noted in the table.

Also known as: countersunk heavy duty anchor, flush heavy duty anchor.

Countersunk heavy duty anchor dimensions

Thread (M)	Order code	Drill diameter (d0)	Length (L)	Max fixture thickness	Min hole depth (h1)	Head diameter	Installation torque (Nm)
M6	SLSK10/10	10 mm	70 mm	10 mm	65 mm	18 mm	10
M6	SLSK10/25	10 mm	85 mm	25 mm	65 mm	18 mm	10
M6	SLSK10/45	10 mm	100 mm	40 mm	65 mm	18 mm	10
M8	SLSK12/10	12 mm	80 mm	10 mm	80 mm	20 mm	25
M8	SLSK12/25	12 mm	95 mm	25 mm	80 mm	20 mm	25
M8	SLSK12/50	12 mm	120 mm	50 mm	80 mm	20 mm	25
M10¹	SLSK15/10	15 mm	95 mm	10 mm	95 mm	25 mm	55
M10¹	SLSK15/25	15 mm	110 mm	25 mm	95 mm	25 mm	55
M10¹	SLSK15/50	15 mm	135 mm	50 mm	95 mm	25 mm	55
M12	SLSK18/20	18 mm	115 mm	20 mm	105 mm	30 mm	70
M12	SLSK18/40	18 mm	135 mm	40 mm	105 mm	30 mm	70

Not included in the ETA (JCP catalogue note).

Related specifications

Heavy duty anchor, hex bolt Heavy duty anchor, countersunk, A4 stainless

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