MS/NAS Grade Mini
metric, 303 s/s non-locking
TR1670 Blind Threaded Insert - Mini - Inch
303 stainless steel - non-locking, material: Stainless steel
Alternative products you may wish to consider
Type
NL
d1
tol. 3B
2-56
Thread type d1
UNC
d2
tol. 2A
8-32
Thread type d2
UNC
l1
,24
l2
,18
l4 c'bore depth
C'Sink
l5
,13
Inst. c'sink hole size
+0.010|-0.000
,166
Inst. tap drill size
,134
Inst. thread tap depth
min.
,24
Inst. thread tap size
class 2B
8-32
Inst. tool ref. TR1700
.0830
Removal drill size
#33
Removal drill depth
1/16
Type
NL
d1
tol. 3B
4-40
Thread type d1
UNC
d2
tol. 2A
10-32
Thread type d2
UNF
l1
,31
l2
,22
l4 c'bore depth
C'Sink
l5
,17
Inst. c'sink hole size
+0.010|-0.000
,194
Inst. tap drill size
.161
Inst. thread tap depth
min.
,28
Inst. thread tap size
class 2B
10-32
Inst. tool ref. TR1700
.0840
Removal drill size
#29
Removal drill depth
3/32
Type
NL
d1
tol. 3B
6-32
Thread type d1
UNC
d2
tol. 2A
12-28
Thread type d2
UNF
l1
,39
l2
,22
l4 c'bore depth
C'Sink
l5
,21
Inst. c'sink hole size
+0.010|-0.000
,220
Inst. tap drill size
,187
Inst. thread tap depth
min.
,28
Inst. thread tap size
class 2B
12-28
Inst. tool ref. TR1700
.0850
Removal drill size
#21
Removal drill depth
3/32
Type
NL
d1
tol. 3B
8-32
Thread type d1
UNC
d2
tol. 2A
1/4-28
Thread type d2
UNF
l1
,43
l2
,24
l4 c'bore depth
C'Sink
l5
,25
Inst. c'sink hole size
+0.010|-0.000
,255
Inst. tap drill size
,228
Inst. thread tap depth
min.
,30
Inst. thread tap size
class 2B
1/4-28
Inst. tool ref. TR1700
.0860
Removal drill size
#8
Removal drill depth
3/32
Type
d1
tol. 3B
Thread type d1
d2
tol. 2A
Thread type d2
l1
l2
l4 c'bore depth
l5
Inst. c'sink hole size
+0.010|-0.000
Inst. tap drill size
Inst. thread tap depth
min.
Inst. thread tap size
class 2B
Inst. tool ref. TR1700
Removal drill size
Removal drill depth
| Price & Availability | Article | Type | d1 tol. 3B | Thread type d1 | d2 tol. 2A | Thread type d2 | l1 | l2 | l4 c'bore depth | l5 | Inst. c'sink hole size +0.010|-0.000 | Inst. tap drill size | Inst. thread tap depth min. | Inst. thread tap size class 2B | Inst. tool ref. TR1700 | Removal drill size | Removal drill depth | ||||||||||||||||||||||||
| TR1670.83290 | NL | 2-56 | UNC | 8-32 | UNC | ,24 | ,18 | C'Sink | ,13 | ,166 | ,134 | ,24 | 8-32 | .0830 | #33 | 1/16 | |||||||||||||||||||||||||
Ready to despatch 0 Need more? Manufactured within 10 working days from order. Typical UK delivery charge: £13.50. Confirmed at checkout.
Type NL d1
tol. 3B 2-56 Thread type d1 UNC d2
tol. 2A 8-32 Thread type d2 UNC l1 ,24 l2 ,18 l4 c'bore depth C'Sink l5 ,13 Inst. c'sink hole size
+0.010|-0.000 ,166 Inst. tap drill size ,134 Inst. thread tap depth
min. ,24 Inst. thread tap size
class 2B 8-32 Inst. tool ref. TR1700 .0830 Removal drill size #33 Removal drill depth 1/16 | |||||||||||||||||||||||||||||||||||||||||
| TR1670.83291 | NL | 4-40 | UNC | 10-32 | UNF | ,31 | ,22 | C'Sink | ,17 | ,194 | .161 | ,28 | 10-32 | .0840 | #29 | 3/32 | |||||||||||||||||||||||||
Ready to despatch 0 Need more? Manufactured within 10 working days from order. Typical UK delivery charge: £13.50. Confirmed at checkout.
Type NL d1
tol. 3B 4-40 Thread type d1 UNC d2
tol. 2A 10-32 Thread type d2 UNF l1 ,31 l2 ,22 l4 c'bore depth C'Sink l5 ,17 Inst. c'sink hole size
+0.010|-0.000 ,194 Inst. tap drill size .161 Inst. thread tap depth
min. ,28 Inst. thread tap size
class 2B 10-32 Inst. tool ref. TR1700 .0840 Removal drill size #29 Removal drill depth 3/32 | |||||||||||||||||||||||||||||||||||||||||
| TR1670.83292 | NL | 6-32 | UNC | 12-28 | UNF | ,39 | ,22 | C'Sink | ,21 | ,220 | ,187 | ,28 | 12-28 | .0850 | #21 | 3/32 | |||||||||||||||||||||||||
Ready to despatch 0 Need more? Manufactured within 10 working days from order. Typical UK delivery charge: £13.50. Confirmed at checkout.
Type NL d1
tol. 3B 6-32 Thread type d1 UNC d2
tol. 2A 12-28 Thread type d2 UNF l1 ,39 l2 ,22 l4 c'bore depth C'Sink l5 ,21 Inst. c'sink hole size
+0.010|-0.000 ,220 Inst. tap drill size ,187 Inst. thread tap depth
min. ,28 Inst. thread tap size
class 2B 12-28 Inst. tool ref. TR1700 .0850 Removal drill size #21 Removal drill depth 3/32 | |||||||||||||||||||||||||||||||||||||||||
| TR1670.83294 | NL | 8-32 | UNC | 1/4-28 | UNF | ,43 | ,24 | C'Sink | ,25 | ,255 | ,228 | ,30 | 1/4-28 | .0860 | #8 | 3/32 | |||||||||||||||||||||||||
Ready to despatch 0 Need more? Manufactured within 10 working days from order. Typical UK delivery charge: £13.50. Confirmed at checkout.
Type NL d1
tol. 3B 8-32 Thread type d1 UNC d2
tol. 2A 1/4-28 Thread type d2 UNF l1 ,43 l2 ,24 l4 c'bore depth C'Sink l5 ,25 Inst. c'sink hole size
+0.010|-0.000 ,255 Inst. tap drill size ,228 Inst. thread tap depth
min. ,30 Inst. thread tap size
class 2B 1/4-28 Inst. tool ref. TR1700 .0860 Removal drill size #8 Removal drill depth 3/32 | |||||||||||||||||||||||||||||||||||||||||
Technical & Application
Material
Inserts - A303 CRES.
Keys - 302 CRES.
Passivated. Dry film lubrication on self-locking inserts only.
Technical Notes
All dimensions in inches.
Internal threads: to SAE AS8879.
General tolerances -
+/- 0,010 unless specified.
Tap drill hole tolerances -
0,234 to 0,500 = +0,004/-0,001
0,500 and over = +0,005/-0,001
NL = Non-Locking type.
Tips
Order installation tool separately, as identified by "Inst. Tool ref." in table.
Important Notes
Four locking keys on internal threads 5/16 and over. Two locking keys on internal threads smaller than 5/16.
Installation (Inst.) drill size, counter sink, thread tap and thread depth as specified in table.
Removal (Rem.) drill size and drill depth as specified in table.
Perform to standards: MIL-I-45914A
