Made-to-Order / All-Metal (Metric) Aztech Locknut Company > Internally Threaded Specials > Made-To-Order > All-Metal (Metric) Cone DIN 980V Mating part must extend at least one full thread past the nut surface to assure locking element engagement. Jam Hex Center Lock ISO 4035, ISO 8675 Jam Hex Center locknuts are selected when the application demands a very low profile and can accept the low proof load of the thinner jam nut. Jam Hex Top Lock ISO 4035, ISO 8675 Jam Hex Top locknuts are selected when the application demands a very low profile and can accept the low proof load of the thinner jam nut. Cone Top Flange (Metric) This special flange shaped locknut is a hex drive nut and washer combination. The cone at the top of the nut is the receiver for the two or three impression locking elements. Thick Hex Nut ISO 7041 Nylon insert locknuts are produced by forming and tapping nuts that include a tubular feature on top that receives a nylon ring. Full Hex Nut ISO 7040 The nylon ring size and crimping process to secure the ring must be controlled to tight tolerances. Flange Nut ISO 7043 This product combines the best attributes of both common hex nylon insert and flange type locknuts and requires sufficient thickness to accommodate wrenching height and nylon collar height. Flange Nut ISO 12125 The flange makes the Nylon Insert Flange locknut ideal when assembling components that consist of thin materials, slots or non-precision oversize holes. Thin Hex Nut ISO 10511 Thin Hex ISO 10511 locknuts are selected when the application demands a low profile and can accept the proof load of the thinner jam nut.