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MAXLOK LOCKBOLT Fastening System
Benefits
Technical Information Order Samples
Benefits
- Exceptional
Clamp-up: Shear and tensile values.
- Extended
Grip Range: Fewer part numbers.
Technical
Information


BRAZIER

COUNTERSUNK

TRUSS

MUSHROOM

Diam.
|
Grip Range
|
L
|
Grip Ref.
|
Series 1901 Brazier
|
Series 1903 Mushroom
|
Series 1905 Truss
|
Series 1921 Brazier
|
| 3/16" (4,8mm) |
.062-.625 (1,6-15,9) |
1.875-1.900 (47,6-48,3) |
.090 (2,3) |
1901-0610 |
1903-0610 |
1905-0610 |
1921-0610 |
| .312-1.250 (7,9-31,7) |
2.500-2.525 (63,5-64,1) |
.330 (8,4) |
1901-0620 |
1903-0620 |
1905-0620 |
1921-0620 |
| 1/4" (6,35mm) |
.062-.625 (1,6-15,9) |
2.065-2.095 (52,4-53,2) |
.085 (2,2) |
1901-0810 |
1903-0810 |
1905-0810 |
1921-0810 |
| .312-1.250 (7,9-31,7) |
2.690-2.720 (68,3-69,1) |
.360 (9,1) |
1901-0820 |
1903-0820 |
1905-0820 |
1921-0820 |
| Diam. |
Grip Range |
L |
Grip Ref. |
Series 1902 Counter-sunk |
| 3/16" (4,8mm) |
.096-.625 (2,4-15,9) |
1.975-2.00 (50,2-50,8) |
.170 (4,3) |
1902-0610 |
| .125-.250 (7,9-31,7) |
2,545-2,570 (64,7-65,3) |
.370 (9,4) |
1902-0620 |
Maxlok Dimensions
|
Series
|
Diam.
|
Hole Size
|
D Diam.
|
S Diam.
|
A Diam.
|
B
|
| 1901 Brazier |
3/16" (4,8mm) |
13/64" (5,16mm) |
.183-.186 (4,65-4,72) |
.183-.186 (4,65-4,72) |
.394 (10,00) |
.120-.133 (3,05-3,38) |
| 1/4" (6.35mm) |
17/64" (6,75mm) |
.246-.249 (6,25-6,33) |
.252-.257 (6,25-6,33) |
.525 (13,30) |
.145-.162 (3,68-4,12) |
| 1921 Brazier |
3/16" (4,8mm) |
13/64" (5,16mm) |
.183-.186 (4,65-4,72) |
.183-.186 (4,65-4,72) |
.394 (10,00) |
.120-.133 (3,05-3,38) |
| 1/4" (6.35mm) |
17/64" (6,75mm) |
.246-.249 (6,25-6,33) |
.252-.257 (6,25-6,33) |
.525 (13,30) |
.145-.162 (3,68-4,12) |
| 1902 Counter-sunk |
3/16" (4,8mm) |
13/64 (5,16) |
.183-.186 (4,65-4,72) |
.183-.186 (4,65-4,72) |
.330-.348 (8,38-8,84) |
.085 2,16 |
| 1903 Mushroom |
3/16" (4,8mm) |
13/64" (5,16mm) |
.183-.186 (4,65-4,72) |
.183-.186 (4,65-4,72) |
.490 (12,45) |
.100-.110 (2,54-2,79) |
| 1/4" (6,35mm) |
17/64" (6,75mm) |
.246-.249 (6,25-6,3) |
.252-.257 (6,40-6,5) |
.656 (16,66) |
.115-.125 (2,92-3,17) |
| 1905 Truss |
3/16" (4,8mm) |
13/64" (5,16mm) |
.183-.186 (4,65-4,72) |
.183-.186 (4,65-4,72) |
.469 (11,91) |
.100-.110 (2,54-2,79) |
| 1/4" (6,35mm) |
17/64" (6,75mm) |
.246-.249 (6,25-6,3 |
.252-.257 (6,40-6,5) |
.594 (15,09) |
.100-.120 (2,54-3,05) |
ACCEPTABLE
FRACTURES
SUBSTANTIALLY FLUSH WITH END OF COLLAR UP TO MAXIMUM OF TWO LOCK
WITNESS MARKS WITHIN COLLAR

UNACCEPTABLE
FRACTURES
THREE WITNESS MARKS WITHIN COLLAR

Flanged Collars
|
| |
|
Dimensions
|
Diam.
|
Part Number
|
J
|
K
|
P
|
S
|
T
|
| 3/16" (4,80mm) |
1981-0600 |
.306-.309 (7,77-7,85) |
.284-.294 (7,21-7,47) |
.057-.067 (1,44-1,70) |
.191-.195 (4,85-4,96) |
.380-.395 (9,65-10,03) |
| 1985-0600 |
.306-.309 (7,77-7,85) |
.254-.264 (6,45-6,70) |
.057-.067 (1,44-1,70) |
.191-.195 (4,85-4,96) |
.375-.390 (9,52-9,90) |
|
| 1/4" (6,35mm) |
1981-0800 |
.403-.406 (10,23-10,31) |
.385-.395 (9,78-10,03) |
.072-.082 (1,82-2,08) |
.254-.258 (6,45-6,55) |
.500-.515 (12,70-13,08) |
| 1985-0800 |
403-.406 (10,23-10,31) |
.368-.378 (9,34-9,60) |
.072-.082 (1,82-2,08) |
.254-.258 (6,45-6,55) |
.490-.510 (12,45-12,95) |
|
Large Flange Collars
|
| 3/16" (4,80mm) |
1991-0600 |
.309-.312 (7,85-7,92) |
.340-.380 (8,63-9,70) |
.090-.115 (2092-2028) |
.191-.195 (4,85-4,95) |
.640-.765 (16,25-19,43) |

Typical Maxlok Strength Values -
lbs. f (N)
|
Diam.
|
Series 1901
Brazier
|
Series 1902
Countersunk
|
Series 1903
Mushroom
|
Series 1905
Truss
|
Series 1921
Brazier
|
Shear
|
Tensile
|
Shear
|
Tensile
|
Shear
|
Tensile
|
Shear
|
Tensile
|
Shear
|
Tensile
|
| 3/16" (4,8mm) |
1855 (8250) |
2250 (10010) |
1855 (8250) |
2250 (10010) |
1855 (8250) |
2250 (10010) |
1855 (8250) |
2250 (10010) |
950 (4225) |
1300 (5782) |
| 1/4" (6,35mm) |
2650 (11790) |
3600 (16010) |
|
|
2650 (11790) |
3600 (16010) |
2650 (11790) |
3600 (16010) |
1675 (7449) |
2200 (9784) |

TYPICAL INSTALLATION
Inspection Data
|
Diam.
|
A Max.
|
B Max.
|
C Max.
|
| 3/16" (4,8mm) |
.063 (1,59) |
.031 (,787) |
.050 (1,27) |
| 1/4" (6.4mm) |
.125 (3,18) |
.031 (,787) |
.100 (2,54) |
Series
|
Pin
|
Series
|
Collar
|
Material
|
Finish
|
Material
|
Finish
|
| 1901 Brazier |
Carbon Steel |
Zinc Plated & Clear Chromate |
1981 |
Carbon Steel |
Zinc Plated & Yellow Chromate |
| 1902 Counter-sunk |
Carbon Steel |
Zinc Plated & Clear Chromate |
1991 |
Carbon Steel |
Zinc Plated & Yellow Chromate |
| 1903 Mushroom |
Carbon Steel |
Zinc Plated & Clear Chromate |
1985 |
Aluminum Alloy |
Plain |
| 1905 Truss |
Carbon Steel |
Zinc Plated & Clear Chromate |
|
|
|
| 1921 Brazier |
Aluminum Alloy |
Polished |
|
|
|
NOTE: COLLARS ARE SUPPLIED
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