Looking for reliable screws, nuts, and fasteners in inch sizes? You’ve come to the right place. zoll-schrauben.ch supplies trade professionals, industry, mechanical engineering, and discerning private customers across Switzerland with a comprehensive range of stainless steel inch fasteners – from UNC and UNF to classic BSF.
Whether countersunk head, socket head / cheese head, or round head – we stock all common head styles in various lengths and thread sizes. Perfect for visible and hidden connections, assembly work, automotive engineering, and fine mechanics.
Countersunk head screws – flush finish for smooth surfaces
Cheese head / socket head screws – high torque transmission, ideal for machine building
Round head screws – decorative and functional for trim rings and fittings
Matching our screws, we offer a complete range of inch nuts:
UNC / UNF (coarse and fine)
BSF (British Standard Fine)
Hex, flange, and self-locking nuts
Custom lengths or standard: Threaded rods in UNC, UNF, and BSF made from stainless steel (A2 / A4) – perfect for custom constructions, anchoring, or clamping devices.
To keep your connection tight:
Flat washers (USS / SAE) – load distribution & surface protection
Spring lock washers – prevents loosening due to vibration
Stainless steel offers corrosion-resistant, durable, and hygienic connections – ideal for outdoor applications, food processing, or chemical environments. Inch threads (UNC, UNF, BSF) remain indispensable, whether for:
US-built machinery & vehicles
British classic cars & motorcycles
Hydraulics, pneumatics, trade fair construction, or military technology
✅ Stock in Switzerland – short delivery times, no customs hassle
✅ Stainless steel A2 & A4 – rustproof, acid-resistant, marine-grade
✅ No minimum order quantity – even small quantities for repairs
✅ Expert advice – we know every thread personally
✅ Easy ordering – secure checkout, shipping as letter or parcel
Whether you're a private individual with a classic car project or a buyer for an industrial workshop – you'll find the right inch fasteners here without endless searching. Browse our range by thread type, head shape, or material grade.
Shipped within 24 hours (Mon–Thu)
Shop now at: [www.zoll-schrauben.ch]
1/4 inch internal toothed lock washer
16 Foot / 5 Meter Retractable Tape Measure
6-32 UNC x 1/2" Countersunk Screw
7/16"-20 x 2" Countersunk Screw (UNF) Overall length with head: 2" = 50.80 mm Hex socket size: 1/4" Hardness: RC 39 -44 Class fit: 3A Similar in design to DIN 7991
7/16"-20 x 2" Countersunk Screw (UNF) Overall length with head: 2" = 50.80 mm Hex socket size: 1/4" Hardness: RC 39 -44 Class fit: 3A Similar in design to DIN 7991
7/16"-20 x 2" Countersunk Screw (UNF) Overall length with head: 2" = 50.80 mm Hex socket size: 1/4" Hardness: RC 39 -44 Class fit: 3A Similar in design to DIN 7991
9 Foot / 3 Meter Retractable Tape Measure
Cone point set screw, 1/4 inch - 20 UNF x 1 inch, hex socket
Cone point set screw, 1/4" - 20 UNF x 3/4", hex socket
Cone point set screw, No. 10-32 UNF x 3/16", hex socket
Copper Washer 1/2 Inch
Copper Washer 3/16" x 25/64", Thickness 1/32"
Copper Washer 7/16 inch
Copper Washer 3/16" x 25/64", Thickness 1/32"
Copper sealing ring set in inch sizes, 110 pieces: 30 pieces 1/4", 20 pieces 3/8", 10 pieces 1/2", 25 pieces 5/16", 15 pieces 7/16", 10 pieces 5/8", 5x15 pieces
Countersunk Head Screw 1/4"- 20UNC x 2" A2 (50.8 mm)
Hex socket UNC, length 38.10 mm, stainless steel A2American coarse thread UNC20 threads per inchStainless steel A2, 18.8Length with head 1 1/2 inches = 38.10 mmThread diameter 6.35 mmWrench size 5/32 inch
Countersunk screw 1/4" - 20 UNC x 7/8"
1/4" - 20 x 7/8" countersunk screw with internal hexagon drive, UNC, length 22.23 mm
American coarse thread UNC
20 threads per inch
ASME/ANSI B 18.3-2002
Countersunk head 82°
Hardness RC 39 - 44
Class FIT 3A
similar to DIN 7991
Length including head 7/8" = 22.23 mm
Thread diameter 6.35 mm
Wrench size 5/32"
Countersunk screw 1/4"-20 UNC x 1-3/4" Inbus
Countersunk screw 1/4"-20 UNC x 1" Inbus
