01603 720713 My Account

No items in your basket

Abrasives
Cutting, Grinding & Deburring
Surface Prep & Blending
Finishing & Masking
Clearance
Adhesives
Gasketing
Instant Bonding (Super Glue)
Pipe & Thread Sealing
Threadlocking
Sealey Glues, Adhesives & Sealants
Retaining
Glue Guns & Sticks
- Glue Sticks
- Glue Guns
Industrial Structural Adhesives
General Adhesives
Epoxy Adhesives
Activators
More Adhesives...
- We have many other types of Adhesives in stock.
- View more...
Bearings
Ball Bearings
Oilite Bearings
Split Bearing Bushes
Oil Seals & O-rings
- Oil Seals
- O-rings
- V Rings
- more...
Housed & Flanged Bearings
Needle Roller Bearings
Rod End Bearings
Shaft Collars
Sleeves, Washers & Lock Nuts
Linear Bearings & Shaft
Tapered Roller Bearings
More Bearings...
- We have many other types of Bearings in stock.
- View more...
Castors
Industrial Castors
Light Duty Castors
Twin Wheel Castors
Ball Transfer Units
Stainless Steel
Castor Wheels Only
Pallet Rollers (Pallet Trucks)
Expanders
Heavy Duty Castors
Low Level Castors
Set of 4
More Castors...
- We have many other types of Castors in stock.
- View more...
Janitorial
Cleaners & Degreasers
Wipes, Hand Sanitiser & Skincare
Blue & White Roll
Rubble & Bin Bags
Domestic Cleaning Products
Cloths, Rags & Sponges
Surface Wipes
Vacuums & Dust Extraction
Brushes, Brooms & Mops
Pest Control
Window Cleaning
More Janitorial...
- We have many other types of Janitorial in stock.
- View more...
Lubricants & Chemicals
Grease
Adhesives
Cleaners & Degreasers
Lubricants
Sprays
Solvents
Paints & Spray Paints
Compound & Polish
Sealants
Metal Cutting
Anti-Seize & Assembly
More Lubricants & Chemicals...
- We have many other types of Lubricants & Chemicals in stock.
- View more...
Motors & Gearboxes
3 Phase Electric Motors
Single Phase Motors
- Cap Start - Cap Run
- Cap Run - Permanent Capacitor
Gearboxes
Anti-Vibration Mounts
Tec Motors Aluminium Spares
Electric Motor Base plates
Inverters
Braked Electric Motors
ATEX Motors
Clearance
Plastics
Plastic Sheets
- Tufnol�
- Nylon 6
- Oilon
- more...
Plastic Rods
- Nylon 66
- Delrin
- Acetal
- more...
Clearance
Pneumatics
Hose Clips, Clamps & Bolts
Push-In Fittings
Adaptors, Hose Tails & Fittings
Air Preparation Equipment (FRL Units)
Quick Release Couplings
Malleable Iron Pipe Fittings
Valves
Couplings
Hydraulics
Clearance
Stainless Steel Pipe Fittings & Accessories
More Pneumatics ...
- We have many other types of Pneumatics in stock.
- View more...
PPE
Gloves
Eye Protection
- Eye Protection
- Eyewear Cleaning
Casual & Workwear
High Visibility
Footwear
Disposables
Wipes, Hand Sanitiser & Skincare
Masks
Head Protection
Hearing Protection
Fall Protection
More PPE...
- We have many other types of PPE in stock.
- View more...
Site Maintenance
Janitorial
Tapes
Jacking & Lifting
Line Marking Paint & Applicators
Fillers
Bulbs & Electrical Fittings
Storage & Workstations
Spill Control
Padlocks, Door Locks & Security
Home, Garden and Leisure
De-icing Salt
More Site Maintenance...
- We have many other types of Site Maintenance in stock.
- View more...
Tools
Hand Tools
Cutting Tools
Fixings & Fastenings
Welding & Cutting
Power Tools & Accessories
Decorating & Tiling
Measuring
Vehicle Service Tools
Garden Tools
Plumbing Tools
Marking Tools
More Tools ...
- We have many other types of Tools in stock.
- View more...
Transmissions
V & Wedge Belts
Roller Chains
Key Steel
Chain Sprockets
Taper Bushes
Timing Belts & Pulleys
V & Wedge Pulleys
Gears & Racks
Couplings
Tension Arms
Hubs
- Bolt On Hubs
- Weld On Hubs
More Transmissions...
- We have many other types of Transmissions in stock.
- View more...

My Account 01603 720713

Abrasives

Cutting, Grinding & Deburring Surface Prep & Blending Finishing & Masking Clearance

Adhesives

Gasketing Instant Bonding (Super Glue) Pipe & Thread Sealing Threadlocking Sealey Glues, Adhesives & Sealants Retaining Glue Guns & Sticks Industrial Structural Adhesives General Adhesives more

Bearings

Ball Bearings Oilite Bearings Split Bearing Bushes Oil Seals & O-rings Housed & Flanged Bearings Needle Roller Bearings Rod End Bearings Shaft Collars Sleeves, Washers & Lock Nuts more

Castors

Industrial Castors Light Duty Castors Twin Wheel Castors Ball Transfer Units Stainless Steel Castor Wheels Only Pallet Rollers (Pallet Trucks) Expanders Heavy Duty Castors more

Janitorial

Cleaners & Degreasers Wipes, Hand Sanitiser & Skincare Blue & White Roll Rubble & Bin Bags Domestic Cleaning Products Cloths, Rags & Sponges Surface Wipes Vacuums & Dust Extraction Brushes, Brooms & Mops more

Lubricants & Chemicals

Grease Adhesives Cleaners & Degreasers Lubricants Sprays Solvents Paints & Spray Paints Compound & Polish Sealants more

Motors & Gearboxes

3 Phase Electric Motors Single Phase Motors Gearboxes Anti-Vibration Mounts Tec Motors Aluminium Spares Electric Motor Base plates Inverters Braked Electric Motors ATEX Motors more

Plastics

Plastic Sheets Plastic Rods Clearance

Pneumatics

Hose Clips, Clamps & Bolts Push-In Fittings Adaptors, Hose Tails & Fittings Air Preparation Equipment (FRL Units) Quick Release Couplings Malleable Iron Pipe Fittings Valves Couplings Hydraulics more

PPE

Gloves Eye Protection Casual & Workwear High Visibility Footwear Disposables Wipes, Hand Sanitiser & Skincare Masks Head Protection more

Site Maintenance

Janitorial Tapes Jacking & Lifting Line Marking Paint & Applicators Fillers Bulbs & Electrical Fittings Storage & Workstations Spill Control Padlocks, Door Locks & Security more

Tools

Hand Tools Cutting Tools Fixings & Fastenings Welding & Cutting Power Tools & Accessories Decorating & Tiling Measuring Vehicle Service Tools Garden Tools more

Transmissions

V & Wedge Belts Roller Chains Key Steel Chain Sprockets Taper Bushes Timing Belts & Pulleys V & Wedge Pulleys Gears & Racks Couplings more

Your Basket

Contact Us

Meet our Team

Our Branches

RL13/21K 1/4inch BSPT to 1/2inch BSPP Male x Female Threaded Adaptor

Sorry, this product is currently unavailable.

Customer Service
My Account
Contact Us
Meet our Team

Follow us on Facebook
Connect with us on Linkedin
Tweet us @bearingboys
Tag us on Instagram
Watch our Youtube Channel

Information
About Us
Trade Application
Returns
Delivery
Terms & Conditions
Privacy Policy
ISO 9001 45001 14001
Careers

Helpful Articles
Measuring Bearings
Measuring Belts
Belt Care & Selection
More Articles

Angling supplies @ Tackle Boys

Registered in England No. 5900054
VAT No. 762 8008 28

Head Office
Bearingboys Ltd
Unit 8, Mission Road
Rackheath, Norfolk
NR13 6PL

+44 (0) 1603 720713

Our Branches

© Bearingboys 2025
more than just bearings™

0.028s 9df d