307 and 308 self tapping insert
Self Tapping Inserts (also known as self threaded inserts or Ensats) are cylindrical metal bushings with internal and external threads and are specially designed to cut their own threads as they are being driven into a drilled hole. They provide permanent wear-resistant threads in a wide range of materials, from tough to tap, high strength steels to brittle plastics.
The thread cutting action is performed by the cutting slots on the insert. By tapping its own thread, the self tapping insert eliminates the need for pre-tapped holes.
Features & Benefits:
Self tapping - no pre-tapping required
Very high pull-out resistance
Highly resistant to vibration, can withstand vibration without loosening
Produces high quality, permanent, wear-resistant threads
Unlimited thread re-usability
Protects expensive components from damage
Easy to install, standard taps can be used
Wide variety of styles to fit almost every application
Applications:
Passenger & commercial vehicles, engines, transmissions, radiators
Marine
Military applications - tanks, aircraft
Plant & equipment construction
Office machinery
Household appliances - vacuum cleaners, cameras, sun lamps
Heavy machinery
Materials: 303 SS; Brass
302 SELF TAPPING INSERTS
302 self-tapping wlth cutting slot
Length(mm)
Extemal thread
The reference hole diamter
Minimum borehole depth(mm)
Plastics
Aluminum alloy
Cast iron products
M2.5-0.45
6
M4.5-0.5
4.0-4.1
4.1-4.2
4.2-4.3
8
M3-0.5
6
M5-0.5
4.5-4.6
4.6-4.7
4.7-4.8
8
M3.5-0.6
8
M6-0.75
5.3-5.4
5.5-5.6
5.6-5.7
10
M4-0.7
8
M6.5-0.75
5.8-5.9
6.0-6.1
6.1-6.2
10
M5-0.8
10
M8-1.0
7.1-7.2
7.3-7.5
7.5-7.6
13
M6-1.0
12
M9-1.0
8.1-8.2
8.3-8.5
8.5-8.6
15
M6-1.0
14
M10-1.5
9.0-9.2
9.2-9.3
9.3-9.4
17
M8-1.25
15
M12-1.5
10.6-10.8
11-11.2
11.2-11.4
18
M10-1.5
18
M14-1.5
12.6-12.8
13.0-13.3
13.2-13.4
22
M12-1.75
22
M16-1.5
14.6-14.8
15.0-15.3
15.2-15.4
26
M14-2.0
24
M18-1.5
16.6-16.8
17.0-17.3
17.2-17.5
28
M16-2.0
22
M20-1.5
18.6-18.8
19.0-19.3
19.2-19.5
27
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