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Machine Screws, Dowel Pins and Hardware
Machine Screws, Dowel Pins and Hardware
This document provides comprehensive specifications and options for machine screws, dowel pins, and related hardware. It includes technical details, material specifications, and part number selection tables for each component.
Conforming to ISO 4762 standards, these screws are made from A2-70 and A4-70 austenitic stainless steel, featuring rolled threads for enhanced strength. Available in metric sizes M1.6 to M6, they offer a minimum tensile strength of 700 MPa.
These screws are similar to plain socket head screws but include a cross-drilled head for wire locking, maintaining the same material and strength specifications, available in sizes M2 to M6.
Designed to prevent fastener loss, these screws are ideal for service covers, available in sizes M2 to M6, with similar material and strength properties.
Drilled through on the axis, these screws assist in cavity ventilation, particularly in vacuum assemblies, available in sizes M3 to M10.
Used for precision assemblies, these screws can replace components like shafts and pivots, made from 303 stainless steel, available in sizes M3 to M10.
Includes countersunk, pan head, and cheese head screws made from stainless steel 300 series, available in sizes M2 to M6, conforming to BS3643 and BS4183 specifications.
Includes cup point, solder tip, and nylon tip set screws for securing components like gears and pulleys on shafts, available in sizes M2 to M6.
Made from stainless steel with a nylon locking insert, used for securing components, with general tolerances of ±0.13 mm.
Additional technical information on ISO metric screw threads, torque and tension guidelines, and material properties is detailed on pages T13-1 and T13-2.
Ideal for use with resolvers, encoders, and potentiometers, available in imperial sizes, made from stainless steel X12CrNi 17 7, and manufactured to DIN2093 standards.
Used where controlled axial force is required, suitable for bearing pre-load configurations, available in imperial sizes, made from stainless steel X7CrNiAl 17 7.
Includes plain and tooth lock washers, available in imperial sizes, made from stainless steel with general tolerances of ±0.13 mm.
Used for location and alignment, suitable for locating gears on ground shafts, available in imperial sizes and alternative materials.
Precision stainless steel pins for accurate location and alignment, available in imperial sizes and alternative materials.
Used to axially secure components such as bearings on shafts or in housings, available in imperial sizes and alternative materials.
For product information, design support, and custom solutions, contact [email protected] or call +44 (0) 1484 601002. Visit www.reliance.co.uk for more details.
Catalog excerpts
Machine Screws, Dowel Pins and Hardware Section Contents
Open the catalog to page 3
Plain Socket Head Screws Associated Products Disc springs: page 13-15 Nuts: page 13-16 Washers: page 13-17 All dimensions in mm Thread specification: BS3643 Pt2 Tolerance class: 6g Material: A2-70 Austenitic(1) A4-70 Austenitic(2) Stainless steel to ISO 3506-1 Part number selection table Example Part No:- Thread Size Standard Length Technical support • Plain socket head cap screw to ISO 4762 • 700 MPa minimum tensile strength • Rolled thread for excellent surface finish, superior thread strength and increased hardness properties • Slotted head available • Imperial sizes available • Alternative...
Open the catalog to page 4
Wire Locking Screws Associated Products Disc springs: page 13-15 Nuts: page 13-16 Washers: page 13-17 All dimensions in mm Thread specification: BS3643 Pt2 Tolerance class: 6g Material:A2-70 Austenitic(1) A4-70 Austenitic(2) Stainless steel to ISO 3506-1 Part number selection table Example Part No:- Standard Length Technical support • Plain socket head cap screw to ISO 4762 with cross-drilled head to allow fastener retention by wire locking • 700 MPa minimum tensile strength • Rolled thread for excellent surface finish, superior thread strength and increased hardness properties • Imperial sizes...
Open the catalog to page 5
Captive Screws M2 - M6 All dimensions in mm Thread specification: BS3643 Pt2 Tolerance class: 6g Material: A2-70 Austenitic(1) A4-70 Austenitic(2) Stainless steel to ISO 3506-1 Associated Products Disc springs: page 13-15 Nuts: page 13-16 Washers: page 13-17 Part number selection table Example Part No:- Basic Thread Part Size No Technical support • Socket head cap screw to ISO 4762 with plain • ISO metric screw threads, limits and tolerances shank length for captive assembly of the screw - see page T13-1 • Torque and tension guidelines - see page T13-1 to prevent fastener loss • Material properties...
Open the catalog to page 6
Ventilation Screws Associated Products Disc springs: page 13-15 Nuts: page 13-16 Washers: page 13-17 All dimensions in mm Thread specification: BS3643 Pt2 Tolerance class: 6g Material:A2-70 Austenitic(1) A4-70 Austenitic(2) Stainless steel to ISO 3506-1 Part number selection table Example Part No:- Standard Length Technical support • Socket head cap screw to ISO 4762 drilled through on axis to assist cavity ventilation in vacuum assemblies • Rolled thread for excellent surface finish, superior thread strength and increased hardness properties • Slotted head available • Imperial sizes available...
Open the catalog to page 7
Shoulder Screws M3 - M10 All dimensions in mm Material: 303 Stainless steel Tolerance class: 6g Associated Products Disc springs: page 13-15 Nuts: page 13-16 Washers: page 13-17 Part number selection table Example Part No:- Basic Part Number Thread Size Length Code Contact us for product information, design support and custom solutions [email protected]
Open the catalog to page 8
Shoulder Screws Basic Part Number Thread Size Length Code Technical support • Socket head screw with accurate diameter shoulder for precision assemblies • May be used to replace components such as shafts, pivots, pins and guides • Used for linkages and stationary guides • Slotted head and Phillips head available • Imperial sizes available • Alternative materials available (416) add -4 to the end of the part number • Alternative lengths available • ISO metric screw threads, limits and tolerances - see page T13-1 • Torque and tension guidelines - see page T13-1 • Material properties - see page...
Open the catalog to page 9
Countersunk Machine Screws M2 - M6 All dimensions in mm Thread specification: BS3643 Pt2 Head specification: BS4183 Tolerance class: 6g Material: Stainless steel 300 series Associated Products Disc springs: page 13-15 Nuts: page 13-16 Washers: page 13-17 Part number selection table Example Part No:- Thread Size Features and options • Imperial sizes available • Alternative materials available Technical support • ISO metric screw threads, limits and tolerances - see page T13-1 • Torque and tension guidelines - see page T13-1 Contact us for product information, design support and custom solutions...
Open the catalog to page 10
Pan Head Machine Screws Associated Products Disc springs: page 13-15 Nuts: page 13-16 Washers: page 13-17 All dimensions in mm Thread specification: BS3643 Pt2 Head specification: BS4183 Tolerance class: 6g Material: Stainless steel 300 series Part number selection table Example Part No:- Thread Size Technical support • ISO metric screw threads, limits and tolerances - see page T13-1 • Torque and tension guidelines - see page T13-1 • Imperial sizes available • Alternative materials available Contact us for product information, design support and custom solutions [email protected]
Open the catalog to page 11
Cheese Head Machine Screws M2 - M6 All dimensions in mm Thread specification: BS3643 Pt2 Head specification: BS4183 Tolerance class: 6g Material: Stainless steel 300 series Associated Products Disc springs: page 13-15 Nuts: page 13-16 Washers: page 13-17 Part number selection table Example Part No:- Thread Size Features and options • Imperial sizes available • Alternative materials available Technical support • ISO metric screw threads, limits and tolerances - see page T13-1 • Torque and tension guidelines - see page T13-1 Contact us for product information, design support and custom solutions...
Open the catalog to page 12
Associated Products Gears: page 4-1 Reli-a-Flex® couplings: page 8-6 All dimensions in mm Thread specification: BS3643 Pt2 Tolerance class: 6g Material: Stainless steel Manufactured to: BS EN ISO 4029 Part number selection table Example Part No:- Basic Part Number Thread Size Technical support • ISO metric screw threads, limits and tolerances - see page T13-1 • Torque and tension guidelines - see page T13-1 • Used for quick, permanent location of gears, collars and pulleys on shafts • Suitable for high torque transmission • Imperial sizes available • Alternative materials available Contact us...
Open the catalog to page 13All Reliance Precision Limited catalogs and technical brochures
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