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]
Countersunk Screw No. 10-24 UNC 1-1/2", nickel-plated, Allen key
Countersunk Screw No. 10-24 UNC 1-1/4", nickel-plated, Allen key
Countersunk Screw No. 10-24 UNC 1", nickel-plated, Allen key
Countersunk Screw No. 4-40 UNC 1/2", nickel-plated, Allen key
Flat Head Socket Cap Screw, No. 4-40 UNC x 1/4", Zinc Plated
Thread & Dimensional Data
Feature Specification
Thread Standard UNC (Unified Coarse) per ASME B1.1
Thread Size No. 4-40 UNC
Threads per Inch 40 TPI
Major Diameter (max.) 0.1120 in (2.84 mm)
Head Style 82° Flat Countersunk Head
Drive Type Hex Socket (Internal Hexagon / Inbus)
Hex Key Size 1/16 in (1.59 mm)
Nominal Length (under head) 1/4 in = 6.35 mm
Overall Length (incl. head) Approx. 0.310 in (7.87 mm) – varies with head diameter and countersink geometry
Material & Finishing
Feature Specification
Hardness 39 – 44 HRC
Surface Finish Zinc plated (galvanized), clear/blue trivalent passivation
Environmental Compliance RoHS compliant (Directive 2011/65/EU)
Standard Reference
ASME B18.3-2003 – Socket Cap, Shoulder, and Set Screws (Inch Series)
Application
For mounting / securing the leather finger tab on the Elite AAE Finger Tab archery equipment.
Availability
Available from: www.zoll-schrauben.ch
Countersunk Screw No. 4-40 UNC 3/4", nickel-plated, Allen key
Countersunk Screw No. 6-32 UNC 1/2", nickel-plated, Allen key
Countersunk Screw No. 6-32 UNC 1/4", nickel-plated, Allen key
Countersunk Screw No. 6-32 UNC 3/4", nickel-plated, Allen key
Countersunk Screw No. 6-32 UNC 3/8", nickel-plated, Allen key
Countersunk Screw No. 8-32 UNC 1", nickel-plated, Allen key
Countersunk Screw No. 8-32 UNC 1/2", nickel-plated, Allen key
Countersunk Screw No. 8-32 UNC 3/8", nickel-plated, Allen key
Countersunk Screw No. 8-32 UNC 3/8", nickel-plated, Allen key
Countersunk Screw No. 8-32 UNC 5/8", nickel-plated, Allen key
Countersunk screw No. 8-32" UNC x 7/16" Allen key 18.3 burnished, fits to Hoyt Cam, Elite Archery Cam
CV combination wrench in inch sizes set 3/8 - 1"
CV Ring-Gabelschlüssel in Zoll-Grössen 16teilig Satz 3/8 - 1-1/4"
Cylinder head screw 5/16"-18 BSW 1-1/2" Allen key 12.9
Cylinder head screw 5/16"-18 BSW 1-1/4" Allen key 12.9
