search
Menu
Home
Gallery
News
Events
Subscribe
Contact Us
About Us
21-1873 Screw
CRANKCASE Mouth Screw
Diameter ⌀: 1/4 inch
Length UH: 13/16 inch
Thread Form: UNC 20tpi
Head Style: Slotted Button
Select Currency
AUD
EUR
GBP
USD
NZD
RRP:
NZ$
6.15
Price:
NZ$
5.50
including GST
Product Code:
21-1873
Purchase Qty:
View your shopping basket
or
Browse other items in UNC Bolts & Screws
.
Categories
Order from Catalogs
Books-Manuals-Parts Listings
Books
BSA Parts Lists
BSA Parts Lists Bantams
BSA Parts Lists 250cc Singles
BSA Parts Lists 350 to 600cc Singles
BSA Parts Lists 500 to 650cc Twins
BSA Parts Lists A75 Rocket 3
BSA Workshop Manuals
Norton Parts Lists
Norton Workshop Manuals
Triumph Parts Lists
Triumph Parts Lists pre-Unit models
Triumph Parts Lists up to 250cc
Triumph Parts Lists C Range 350-500cc
Triumph Parts Lists B Range 650cc
Triumph Parts Lists Twins 750cc
Triumph Parts Lists Triples
Triumph Workshop Manuals
Fasteners
BA Fasteners
BSF Fasteners
Cycle Threads
Cycle Thread Nuts
Cycle Thread Bolts & Screws
Cycle Thread Studs
Unified Fasteners
UNC Bolts & Screws
UNF Bolts & Screws
UNF & UNC Studs
UNF & UNC Nuts
Other Fasteners
Washers
Wheels-Brakes
Wheel Rims & Spoke Sets
BSA & Triumph Wheel & Brake Parts
Norton Wheel & Brake Parts
Transmission Parts
Primary Drive
Triumph & BSA Gearbox & Clutch Parts
Factory Parts 57-0023 to 57-7083
Early BSA Transmission Parts
Handlebars-Controls-Cables
Handlebars
Control Cables
Bowden Cable & Fittings
Mirrors
Electrical System
Charging Equipment
Ignition Equipment
Fuel & Air System Parts
Engine Parts
Engine Bearings & Bushes
Frame-Forks-Suspension
Hagon Suspension
Gaskets-Seals
Lubrication System
Seats-Seatcovers
Tinware
BSA Fuel Tanks
Triumph Fuel Tanks
Accessories-Regalia-Wearables
Clothing
Triumph Transfers Decals Badges
Tiger Transfers Decals Badges
Trophy Transfers Decals Badges
Bonneville Transfers Decals Badges
Trident Transfer Decals Badges
Tools
Rubber Parts
Sorted by Original Part Number
15-0039 to 19-8683
Triumph & BSA Part No. 37-xxxx to 38-xxxx
60-0003 to 60-9802
68-0013 to 68-9468
70-0001 to 70-9999
Mystery Items
Used Items
Product Search
Keywords
Category
All
Order from Catalogs
Books-Manuals-Parts Listings
Books
BSA Parts Lists
BSA Parts Lists Bantams
BSA Parts Lists 250cc Singles
BSA Parts Lists 350 to 600cc Singles
BSA Parts Lists 500 to 650cc Twins
BSA Parts Lists A75 Rocket 3
BSA Workshop Manuals
Norton Parts Lists
Norton Workshop Manuals
Triumph Parts Lists
Triumph Parts Lists pre-Unit models
Triumph Parts Lists up to 250cc
Triumph Parts Lists C Range 350-500cc
Triumph Parts Lists B Range 650cc
Triumph Parts Lists Twins 750cc
Triumph Parts Lists Triples
Triumph Workshop Manuals
Fasteners
BA Fasteners
BSF Fasteners
Cycle Threads
Cycle Thread Nuts
Cycle Thread Bolts & Screws
Cycle Thread Studs
Unified Fasteners
UNC Bolts & Screws
UNF Bolts & Screws
UNF & UNC Studs
UNF & UNC Nuts
Other Fasteners
Washers
Wheels-Brakes
Wheel Rims & Spoke Sets
BSA & Triumph Wheel & Brake Parts
Norton Wheel & Brake Parts
Transmission Parts
Primary Drive
Triumph & BSA Gearbox & Clutch Parts
Factory Parts 57-0023 to 57-7083
Early BSA Transmission Parts
Handlebars-Controls-Cables
Handlebars
Control Cables
Bowden Cable & Fittings
Mirrors
Electrical System
Charging Equipment
Ignition Equipment
Fuel & Air System Parts
Engine Parts
Engine Bearings & Bushes
Frame-Forks-Suspension
Hagon Suspension
Gaskets-Seals
Lubrication System
Seats-Seatcovers
Tinware
BSA Fuel Tanks
Triumph Fuel Tanks
Accessories-Regalia-Wearables
Clothing
Triumph Transfers Decals Badges
Tiger Transfers Decals Badges
Trophy Transfers Decals Badges
Bonneville Transfers Decals Badges
Trident Transfer Decals Badges
Tools
Rubber Parts
Sorted by Original Part Number
15-0039 to 19-8683
Triumph & BSA Part No. 37-xxxx to 38-xxxx
60-0003 to 60-9802
68-0013 to 68-9468
70-0001 to 70-9999
Mystery Items
Used Items
Size
.004 inch oversize
.006 inch oversize
3XL
Extra Large
Large
Medium
plus .004 inch oversize
plus .006 inch oversize
Small
Standard Size
Price From
to
Other Filters
On Special
In Stock
Connect With Us
View Cart
Featured
On Sale
Best Sellers
New Items
Connect With Us