Disc-Lock - The DISC-LOCK Hex Head Bolt uses the same locking principles as the Locking Nut and is used for blind-hole applications.

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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 Hex Head Bolt

The DISC-LOCK Hex Head Bolt is designed for blind-hole applications and uses the same vibration and shock proof features as our Locking Nut.

Technical Specifications

Inch Series

Size	Part Number	QTY	WT/Kilos	WT/Lbs	Specs
3/8"-16UNC	BSC-303-100-567				View
1/2" - 20UNF	BSF-305-125-567				View

Metric Series

Size	Part Number	QTY	WT/Kilos	WT/Lbs	Specs
M10 X 1.5	BMC-303-30M-567				View
M33 x 1.59mm	BMC-312-159mm-GEO