Primerless threadlocker primerless threadlocker threadlocker strength medium threadlocker color blue threadlocker disassembly removable physical form liquid threadlocker container bottle 50ml chemical type anaerobic for fastener dia 1/4 in to 3/4 in. Begins to harden 5 min. Series 243 gap fill 0.005 in. Full cure 24 hr. Temp range -65 degrees to 360 degrees f flash point greater than 93 degrees c specific gravity 1.08 viscosity 1300 to 3000 cp removable with hand tools