Disc-Lock - The DISC-LOCK Armor Fastening System is used on military vehicles to provide a positive, vibration resistant fastening solution for armor applications.

For more information, please call us:
USA Toll Free: 877.944.9352
International: 310.944.9352

DISC-LOCK Products

Safety Wheel Nut
- 3/8"-24UNF
- 7/16"-20UNF
- 1/2"-20UNF
- 9/16"-18UNF
- 5/8"-18UNF
- 3/4"-16UNF
- 7/8"-14UNF
- M14 X 1.5
- M16 X 1.5
- M18 X 1.5
- M20 X 1.5
- M22 X 1.5

Locking Nut
- 3/8"-16UNC
- 3/8"-24UNF
- 7/16"-20UNF
- 1/2"-13UNC
- 1/2"-20UNF
- 9/16"-18UNF
- 5/8"-11UNC
- 5/8"-18UNF
- 3/4"-16UNF
- 7/8"-14UNF
- M10 x 1.5
- M12 x 1.75
- M14 x 1.5
- M16 x 2.0
- M16 x 1.5
- M18 x 1.5
- M20 x 1.5
- M22 x 1.5

Stainless Steel Washer

Standard Washer
- #6, 3mm
- #8, 4mm
- 3/16", 5mm
- 1/4", 6mm
- 5/16", 8mm
- 3/8", 10mm
- 7/16", 11mm
- 1/2", 12mm
- 9/16", 14mm
- 5/8", 16mm
- 3/4", 20mm
- 7/8", 22mm
- 1", 24mm
- 1-1/8", 27mm
- 1-1/4", 30mm
- 1-3/8", 36mm
- 1-1/2", 38mm

Glued Washer Pair - Delta Protekt
- 1/4", 6mm
- 5/16", 8mm
- 3/8", 10mm
- 7/16", 11mm
- 1/2", 12mm
- 9/16", 14mm
- 5/8", 16mm
- 3/4", 20mm
- 7/8", 22mm
- 1", 24mm
- 1-1/8", 27mm
- 1-1/4", 30mm
- 1-3/8", 36mm
- 1-1/2", 38mm

Hex Head Bolt

Heavy Hex Nut

Tension Control Bolt

Armor Fastening System

Railcar Fastening System

Truck Frame Fastening System

Shear Wrench and Sockets

Small Quantity Orders

Top International Distributors

Fastenal

North American Railways

DISC-LOCK Blog

DISC-LOCK Armor Fastening System

The DISC-LOCK Armor Fastening System ( consisting of a Heavy Hex DISC-LOCK Nut and a Tension Control Bolt ) is an easy to install vibration resistant fastening system used to secure military vehicle armor.

Technical Specifications

Inch Series

Size	Part Number	QTY	WT/Kilos	WT/Lbs	Specs
1/2"-13 x 1 1/4"	DLVAFS-500150	100	5.46	12	View
1/2"-13 x 1 1/2"	DLVAFS-500150	100	6.37	14	View
1/2"-13 x 1 3/4"	DLVAFS-500175	100	7.28	16	View
1/2"-13 x 2"	DLVAFS-500200	100	8.19	18	View
1/2"-13 x 2 1/4"	DLVAFS-500225	100	8.64	19	View
5/8"-11 x 1 1/2"	DLVAFS-625150	100	10.46	23	View
5/8"-11 x 1 3/4"	DLVAFS-625175	100	11.37	25	View
5/8"-11 x 2"	DLVAFS-625200	100	12.73	28	View
5/8"-11 x 2 1/4"	DLVAFS-625225	100	13.64	30	View
5/8"-11 x 2 1/2"	DLVAFS-625250	100	14.55	32	View
5/8"-11 x 2 3/4"	DLVAFS-625275	100	15.46	34	View
5/8"-11 x 3"	DLVAFS-625300	100	16.37	36	View
3/4"-10 x 1 3/4"	DLVAFS-750175	100	18.64	41	View
3/4"-10 x 2"	DLVAFS-750200	100	20.00	44	View
3/4"-10 x 2 1/4"	DLVAFS-750225	100	21.37	47	View
3/4"-10 x 2 1/2"	DLVAFS-750250	100	22.73	50	View
3/4"-10 x 2 3/4"	DLVAFS-750275	100	24.09	53	View
3/4"-10 x 3"	DLVAFS-750300	100	25.46	56	View
3/4"-10 x 3 1/4"	DLVAFS-750325	100	26.37	58	View
3/4"-10 x 3 1/2"	DLVAFS-750350	100	27.73	61	View
7/8"-9 x 2"	DLVAFS-875200	100	26.82	59	View
7/8"-9 x 2 1/4"	DLVAFS-875225	100	28.64	63	View
7/8"-9 x 2 1/2"	DLVAFS-875250	100	30.46	67	View
7/8" - 9 x 2 3/4"	DLVAFS-875275	100	32.28	71	View
7/8"-9 x 3"	DLVAFS-875300	100	34.55	76	View
7/8"-9 x 3 1/4"	DLVAFS-875325	100	36.37	80	View
7/8"-9 x 3 1/2"	DLVAFS-875350	100	38.19	84	View