Machine Screws, Dowel Pins and Hardware Section Contents

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...

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...

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...

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...

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]

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...

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...

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]

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...

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...