Spiro

View Spiro Lok Technical Data Sheet
Search for Spiro Lok by PSM. Filter by Thread Length, Insert Length, or other attributes on the left side of the page.

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Thread Size

All 1/4-20 1/4-28 10-24 10-32 2-56 3/8-16 3/8-24 4-40 5/16-18 5/16-24 6-32 8-32 M2 M2.5 M3 M3.5 M4 M5 M6 M8 M10

B - Head Height

All 0.02 0.023 0.029 0.035 0.042 0.052 0.062 0.51 0.58 0.74 0.89 1.07 1.32 1.57

C - Head Diameter

All 0.187 0.217 0.25 0.281 0.312 0.375 0.437 0.551 11.1 14 4.8 5.5 6.4 7.1 7.9 9.5

D - Insert Diameter

All 0.131 0.165 0.196 0.228 0.259 0.332 0.383 0.499 12.7 3.3 4.2 5 5.8 6.6 8.2 9.7

P - Pilot End Diameter

All 0.146 0.177 0.178 0.209 0.241 0.304 0.365 0.481 12.2 241 3 3.7 4.5 5.3 6.1 7.7 9.3

Rec Hole Size

All 0.122 0.15 0.181 0.213 0.244 0.307 0.366 0.484 12.3 3.1 3.8 4.6 5.4 6.2 7.8 9.3

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HSR-B-0256

2-56 SPIRO 0.162 IN. LENGTH

Thread Size:	2-562-56
A - Insert Length:	0.1620.162
B - Head Height:	0.020.02
C - Head Diameter:	0.1870.187
D - Insert Diameter:	0.1310.131
P - Pilot End Diameter:	0.1770.177
Rec Hole Size:	0.1220.122
Minimum Wall Thickness:	0.0630.063

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HSR-B-0440

4-40 SPIRO 0.208 IN. LENGTH

Thread Size:	4-404-40
A - Insert Length:	0.2080.208
B - Head Height:	0.0230.023
C - Head Diameter:	0.2170.217
D - Insert Diameter:	0.1650.165
P - Pilot End Diameter:	0.1460.146
Rec Hole Size:	0.150.15
Minimum Wall Thickness:	0.0790.079

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HSR-B-0632

6-32 SPIRO 0.247 IN. LENGTH

Thread Size:	6-326-32
A - Insert Length:	0.2470.247
B - Head Height:	0.0290.029
C - Head Diameter:	0.250.25
D - Insert Diameter:	0.1960.196
P - Pilot End Diameter:	0.1780.178
Rec Hole Size:	0.1810.181
Minimum Wall Thickness:	0.0980.098

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HSR-B-0832

8-32 SPIRO 0.292 IN. LENGTH

Thread Size:	8-328-32
A - Insert Length:	0.2920.292
B - Head Height:	0.0350.035
C - Head Diameter:	0.2810.281
D - Insert Diameter:	0.2280.228
P - Pilot End Diameter:	0.2090.209
Rec Hole Size:	0.2130.213
Minimum Wall Thickness:	0.0980.098

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HSR-B-1024

10-24 SPIRO 0.326 IN. LENGTH

Thread Size:	10-2410-24
A - Insert Length:	0.3260.326
B - Head Height:	0.0420.042
C - Head Diameter:	0.3120.312
D - Insert Diameter:	0.2590.259
P - Pilot End Diameter:	0.2410.241
Rec Hole Size:	0.2440.244
Minimum Wall Thickness:	0.0980.098

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HSR-B-1032

10-32 SPIRO 0.326 IN. LENGTH

Thread Size:	10-3210-32
A - Insert Length:	0.3260.326
B - Head Height:	0.0420.042
C - Head Diameter:	0.3120.312
D - Insert Diameter:	0.2590.259
P - Pilot End Diameter:	241241
Rec Hole Size:	0.2440.244
Minimum Wall Thickness:	0.0980.098

$160.0500 / M
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HSR-B-2520

1/4-20 SPIRO 0.362 IN.

Thread Size:	1/4-201/4-20
A - Insert Length:	0.3620.362
B - Head Height:	0.0520.052
C - Head Diameter:	0.3750.375
D - Insert Diameter:	0.3320.332
P - Pilot End Diameter:	0.3040.304
Rec Hole Size:	0.3070.307
Minimum Wall Thickness:	0.110.11

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HSR-B-2528

1/4-28 SPIRO 0.362 IN.

Thread Size:	1/4-281/4-28
A - Insert Length:	0.3620.362
B - Head Height:	0.0520.052
C - Head Diameter:	0.3750.375
D - Insert Diameter:	0.3320.332
P - Pilot End Diameter:	0.3040.304
Rec Hole Size:	0.3070.307
Minimum Wall Thickness:	0.110.11

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HSR-B-3118

5/16-18 SPIRO 0.362 IN.

Thread Size:	5/16-185/16-18
A - Insert Length:	0.3620.362
B - Head Height:	0.0520.052
C - Head Diameter:	0.4370.437
D - Insert Diameter:	0.3830.383
P - Pilot End Diameter:	0.3650.365
Rec Hole Size:	0.3660.366
Minimum Wall Thickness:	0.150.15

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HSR-B-3124

5/16-24 SPIRO 0.362 IN.

Thread Size:	5/16-245/16-24
A - Insert Length:	0.3620.362
B - Head Height:	0.0520.052
C - Head Diameter:	0.4370.437
D - Insert Diameter:	0.3830.383
P - Pilot End Diameter:	0.3650.365
Rec Hole Size:	0.3660.366
Minimum Wall Thickness:	0.150.15

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HSR-B-3716

3/8-16 SPIRO 0.362 IN.

Thread Size:	3/8-163/8-16
A - Insert Length:	0.3620.362
B - Head Height:	0.0620.062
C - Head Diameter:	0.5510.551
D - Insert Diameter:	0.4990.499
P - Pilot End Diameter:	0.4810.481
Rec Hole Size:	0.4840.484
Minimum Wall Thickness:	0.1970.197

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HSR-B-3724

3/8-24 SPIRO 0.362 IN.

Thread Size:	3/8-243/8-24
A - Insert Length:	0.3620.362
B - Head Height:	0.0620.062
C - Head Diameter:	0.5510.551
D - Insert Diameter:	0.4990.499
P - Pilot End Diameter:	0.4810.481
Rec Hole Size:	0.4840.484
Minimum Wall Thickness:	0.1970.197

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HSR-B-M10

SPIRO M10 X 9.2 MM. LENGTH

Thread Size:	M10M10
A - Insert Length:	9.29.2
B - Head Height:	1.571.57
C - Head Diameter:	1414
D - Insert Diameter:	12.712.7
P - Pilot End Diameter:	12.212.2
Rec Hole Size:	12.312.3
Minimum Wall Thickness:	55

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HSR-B-M2

SPIRO M2 X 4.1 MM. LENGTH

Thread Size:	M2M2
A - Insert Length:	4.14.1
B - Head Height:	0.510.51
C - Head Diameter:	4.84.8
D - Insert Diameter:	3.33.3
P - Pilot End Diameter:	33
Rec Hole Size:	3.13.1
Minimum Wall Thickness:	1.61.6

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HSR-B-M2.5

SPIRO M2.5 X 5.3 MM.

Thread Size:	M2.5M2.5
A - Insert Length:	5.35.3
B - Head Height:	0.580.58
C - Head Diameter:	5.55.5
D - Insert Diameter:	4.24.2
P - Pilot End Diameter:	3.73.7
Rec Hole Size:	3.83.8
Minimum Wall Thickness:	22

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HSR-B-M3

SPIRO M3 X 5.3 MM. LENGTH

Thread Size:	M3M3
A - Insert Length:	5.35.3
B - Head Height:	0.580.58
C - Head Diameter:	5.55.5
D - Insert Diameter:	4.24.2
P - Pilot End Diameter:	3.73.7
Rec Hole Size:	3.83.8
Minimum Wall Thickness:	22

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HSR-B-M3.5

SPIRO M3.5 X 6.3 MM.

Thread Size:	M3.5M3.5
A - Insert Length:	6.36.3
B - Head Height:	0.740.74
C - Head Diameter:	6.46.4
D - Insert Diameter:	55
P - Pilot End Diameter:	4.54.5
Rec Hole Size:	4.64.6
Minimum Wall Thickness:	2.52.5

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HSR-B-M4

SPIRO M4 X 7.4 MM. LENGTH

Thread Size:	M4M4
A - Insert Length:	7.47.4
B - Head Height:	0.890.89
C - Head Diameter:	7.17.1
D - Insert Diameter:	5.85.8
P - Pilot End Diameter:	5.35.3
Rec Hole Size:	5.45.4
Minimum Wall Thickness:	2.52.5

$189.3540 / M
Out of Stock*

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HSR-B-M5

SPIRO M5 X 8.3 MM. LENGTH

Thread Size:	M5M5
A - Insert Length:	8.38.3
B - Head Height:	1.071.07
C - Head Diameter:	7.97.9
D - Insert Diameter:	6.66.6
P - Pilot End Diameter:	6.16.1
Rec Hole Size:	6.26.2
Minimum Wall Thickness:	2.52.5

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HSR-B-M6

SPIRO M6 X 9.2 MM. LENGTH

Thread Size:	M6M6
A - Insert Length:	9.29.2
B - Head Height:	1.321.32
C - Head Diameter:	9.59.5
D - Insert Diameter:	8.28.2
P - Pilot End Diameter:	7.77.7
Rec Hole Size:	7.87.8
Minimum Wall Thickness:	2.82.8

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HSR-B-M8

SPIRO M8 X 9.2 MM. LENGTH

Thread Size:	M8M8
A - Insert Length:	9.29.2
B - Head Height:	1.321.32
C - Head Diameter:	11.111.1
D - Insert Diameter:	9.79.7
P - Pilot End Diameter:	9.39.3
Rec Hole Size:	9.39.3
Minimum Wall Thickness:	3.83.8

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SP-B-0256

2-56 SPIRO 0.162 IN. LENGTH

Thread Size:	2-562-56
A - Insert Length:	0.1620.162
B - Head Height:	0.020.02
C - Head Diameter:	0.1870.187
D - Insert Diameter:	0.1310.131
P - Pilot End Diameter:	0.1770.177
Rec Hole Size:	0.1220.122
Minimum Wall Thickness:	0.0630.063

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SP-B-0440

4-40 SPIRO 0.208 IN. LENGTH

Thread Size:	4-404-40
A - Insert Length:	0.2080.208
B - Head Height:	0.0230.023
C - Head Diameter:	0.2170.217
D - Insert Diameter:	0.1650.165
P - Pilot End Diameter:	0.1460.146
Rec Hole Size:	0.150.15
Minimum Wall Thickness:	0.0790.079

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SP-B-0632

6-32 SPIRO 0.247 IN. LENGTH

Thread Size:	6-326-32
A - Insert Length:	0.2470.247
B - Head Height:	0.0290.029
C - Head Diameter:	0.250.25
D - Insert Diameter:	0.1960.196
P - Pilot End Diameter:	0.1780.178
Rec Hole Size:	0.1810.181
Minimum Wall Thickness:	0.0980.098

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SP-B-0832

8-32 SPIRO 0.292 IN. LENGTH

Thread Size:	8-328-32
A - Insert Length:	0.2920.292
B - Head Height:	0.0350.035
C - Head Diameter:	0.2810.281
D - Insert Diameter:	0.2280.228
P - Pilot End Diameter:	0.2090.209
Rec Hole Size:	0.2130.213
Minimum Wall Thickness:	0.0980.098

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SP-B-1024

10-24 SPIRO 0.326 IN. LENGTH

Thread Size:	10-2410-24
A - Insert Length:	0.3260.326
B - Head Height:	0.0420.042
C - Head Diameter:	0.3120.312
D - Insert Diameter:	0.2590.259
P - Pilot End Diameter:	0.2410.241
Rec Hole Size:	0.2440.244
Minimum Wall Thickness:	0.0980.098

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SP-B-1032

10-32 SPIRO 0.326 IN. LENGTH

Thread Size:	10-3210-32
A - Insert Length:	0.3260.326
B - Head Height:	0.0420.042
C - Head Diameter:	0.3120.312
D - Insert Diameter:	0.2590.259
P - Pilot End Diameter:	241241
Rec Hole Size:	0.2440.244
Minimum Wall Thickness:	0.0980.098

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SP-B-2520

1/4-20 SPIRO 0.362 IN.

Thread Size:	1/4-201/4-20
A - Insert Length:	0.3620.362
B - Head Height:	0.0520.052
C - Head Diameter:	0.3750.375
D - Insert Diameter:	0.3320.332
P - Pilot End Diameter:	0.3040.304
Rec Hole Size:	0.3070.307
Minimum Wall Thickness:	0.110.11

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SP-B-2528

1/4-28 SPIRO 0.362 IN.

Thread Size:	1/4-281/4-28
A - Insert Length:	0.3620.362
B - Head Height:	0.0520.052
C - Head Diameter:	0.3750.375
D - Insert Diameter:	0.3320.332
P - Pilot End Diameter:	0.3040.304
Rec Hole Size:	0.3070.307
Minimum Wall Thickness:	0.110.11

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SP-B-3118

5/16-18 SPIRO 0.362 IN.

Thread Size:	5/16-185/16-18
A - Insert Length:	0.3620.362
B - Head Height:	0.0520.052
C - Head Diameter:	0.4370.437
D - Insert Diameter:	0.3830.383
P - Pilot End Diameter:	0.3650.365
Rec Hole Size:	0.3660.366
Minimum Wall Thickness:	0.150.15

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SP-B-3124

5/16-24 SPIRO 0.362 IN.

Thread Size:	5/16-245/16-24
A - Insert Length:	0.3620.362
B - Head Height:	0.0520.052
C - Head Diameter:	0.4370.437
D - Insert Diameter:	0.3830.383
P - Pilot End Diameter:	0.3650.365
Rec Hole Size:	0.3660.366
Minimum Wall Thickness:	0.150.15

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SP-B-3716

3/8-16 SPIRO 0.362 IN.

Thread Size:	3/8-163/8-16
A - Insert Length:	0.3620.362
B - Head Height:	0.0620.062
C - Head Diameter:	0.5510.551
D - Insert Diameter:	0.4990.499
P - Pilot End Diameter:	0.4810.481
Rec Hole Size:	0.4840.484
Minimum Wall Thickness:	0.1970.197

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SP-B-3724

3/8-24 SPIRO 0.362 IN.

Thread Size:	3/8-243/8-24
A - Insert Length:	0.3620.362
B - Head Height:	0.0620.062
C - Head Diameter:	0.5510.551
D - Insert Diameter:	0.4990.499
P - Pilot End Diameter:	0.4810.481
Rec Hole Size:	0.4840.484
Minimum Wall Thickness:	0.1970.197

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SP-B-M10

SPIRO M10 X 9.2 MM. LENGTH

Thread Size:	M10M10
A - Insert Length:	9.29.2
B - Head Height:	1.571.57
C - Head Diameter:	1414
D - Insert Diameter:	12.712.7
P - Pilot End Diameter:	12.212.2
Rec Hole Size:	12.312.3
Minimum Wall Thickness:	55

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SP-B-M2

SPIRO M2 X 4.1 MM. LENGTH

Thread Size:	M2M2
A - Insert Length:	4.14.1
B - Head Height:	0.510.51
C - Head Diameter:	4.84.8
D - Insert Diameter:	3.33.3
P - Pilot End Diameter:	33
Rec Hole Size:	3.13.1
Minimum Wall Thickness:	1.61.6

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SP-B-M2.5

SPIRO M2.5 X 5.3 MM.

Thread Size:	M2.5M2.5
A - Insert Length:	5.35.3
B - Head Height:	0.580.58
C - Head Diameter:	5.55.5
D - Insert Diameter:	4.24.2
P - Pilot End Diameter:	3.73.7
Rec Hole Size:	3.83.8
Minimum Wall Thickness:	22

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SP-B-M3

SPIRO M3 X 5.3 MM. LENGTH

Thread Size:	M3M3
A - Insert Length:	5.35.3
B - Head Height:	0.580.58
C - Head Diameter:	5.55.5
D - Insert Diameter:	4.24.2
P - Pilot End Diameter:	3.73.7
Rec Hole Size:	3.83.8
Minimum Wall Thickness:	22

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SP-B-M3.5

SPIRO M3.5 X 6.3 MM.

Thread Size:	M3.5M3.5
A - Insert Length:	6.36.3
B - Head Height:	0.740.74
C - Head Diameter:	6.46.4
D - Insert Diameter:	55
P - Pilot End Diameter:	4.54.5
Rec Hole Size:	4.64.6
Minimum Wall Thickness:	2.52.5

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SP-B-M4

SPIRO M4 X 7.4 MM. LENGTH

Thread Size:	M4M4
A - Insert Length:	7.47.4
B - Head Height:	0.890.89
C - Head Diameter:	7.17.1
D - Insert Diameter:	5.85.8
P - Pilot End Diameter:	5.35.3
Rec Hole Size:	5.45.4
Minimum Wall Thickness:	2.52.5

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SP-B-M5

SPIRO M5 X 8.3 MM. LENGTH

Thread Size:	M5M5
A - Insert Length:	8.38.3
B - Head Height:	1.071.07
C - Head Diameter:	7.97.9
D - Insert Diameter:	6.66.6
P - Pilot End Diameter:	6.16.1
Rec Hole Size:	6.26.2
Minimum Wall Thickness:	2.52.5

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SP-B-M6

SPIRO M6 X 9.2 MM. LENGTH

Thread Size:	M6M6
A - Insert Length:	9.29.2
B - Head Height:	1.321.32
C - Head Diameter:	9.59.5
D - Insert Diameter:	8.28.2
P - Pilot End Diameter:	7.77.7
Rec Hole Size:	7.87.8
Minimum Wall Thickness:	2.82.8

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SP-B-M8

SPIRO M8 X 9.2 MM. LENGTH

Thread Size:	M8M8
A - Insert Length:	9.29.2
B - Head Height:	1.321.32
C - Head Diameter:	11.111.1
D - Insert Diameter:	9.79.7
P - Pilot End Diameter:	9.39.3
Rec Hole Size:	9.39.3
Minimum Wall Thickness:	3.83.8

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