STUD BOLTS & NUTS

STUD-BOT-NUT28-400x300
STUD-BOT-NUT15-400x300
STUD-BOT-NUT12-400x300
STUD-BOT-NUT9-400x300
STUD-BOT-NUT22-400x300
STUD-BOT-NUT14-400x300

Stud Bolts & Nuts

Stud-Bolts-Nuts Dimension

Various Type Coatings are possible.

Diameter/Lengths L≤6 L>6
Over 5/16 to 3/4 ±1/16 ±1/8
Over 3/4 to 1-1/4 ±1/8 ±3/16
Over 1-1/4 ±1/4 ±1/4

Thread

Nomonal Size or Diameter of stud-bolt [D] D=1″[25mm] & Smaller D=1 ⅛[28mm] & Larger
Thread INCH Series Unified Coarse Thread Series Class 2A and 2B ANSI B1.1 Unified 8-Thread[3-pitch] Series Class 2A and 2B ANSI B1.1
METRIC series METRIC Coarse Thread Series Class 6G and 6H JIS B0209/ISO 261 METRIC 3-pitch Series Class 6G and 6H JIS B0209/ISO 261

Dimesion of Nut

INCH Series METRIC Series
Comform to Heavy Hex Nuts of ANSI B 18.2.2
Double chamfered of Washer faced
Comform to Heavy Hex Nuts of ANSI 18.2.2
Double chamfered of Washer faced
Chemical Requirements
SpecificationGrade C Si Mn PMax SMax Ni Cr Mo Vanadium
ASTM A193 Gr B7 0.37-0.49 0.15-0.35 0.65-1.10 0.035 0.04 0.75-1.20 0.15-0.25
ASTM A193 Gr B7M 0.37-0.49 0.15-0.35 0.65-1.10 0.035 0.04 0.75-1.20 0.15-0.25
ASTM A193 Gr B16 0.36-0.47 0.15-0.35 0.45-0.70 0.035 0.04 0.80-1.15 0.50-0.65 0.25-0.35
ASTM A193 Gr B8 Max 0.08 Max 1.00 Max 2.00 0.045 0.03 8.00-10.5 18.0-20.0
ASTM A193 Gr B8M Max 0.08 Max 1.00 Max 2.00 0.045 0.03 10.0-14.0 16.0-18.0 2.0-3.0
ASTM A193 Gr B6 Max 0215 Max 1.00 Max 1.00 0.045 0.03 11.5-13.5
ASTM A320 Gr L7 0.38-0.48 0.15-0.35 0.75-1.00 0.035 0.04 0.80-1.10 0.15-0.25
ASTM A320 Gr L7M 0.38-0.48 0.15-0.35 1.75-1.00 0.035 0.04 0.80-1.10 0.15-0.25
ASTM A320 Gr B8 Max 0.08 Max 1.00 Max 2.00 0.045 0.03 8.00-10.5 18.0-20.0
ASTM A320 Gr B8M Max 0.08 Max 1.00 Max 2.00 0.045 0.03 10.0-14.0 16.0-18.0 2.0-3.0
ASTM A325 TYPE 1 0.28-0.55 Min 0.60 0.040 0.05 Boron Min 0.0005
ASTM A325 TYPE 2 0.15-0.34 Min 0.70 0.040 0.05
ASTM A354 Gr BC 0.30-0.53 0.035 0.04
ASTM A354 Gr BD 0.30-0.53 0.035 0.04
ASTM A449 TYPE1 0.28-0.55 Min 0.60 0.040 0.05 Boron Min 0.0005
ASTM A449 TYPE 2 0.15-0.38 Min 0.70 0.040 0.05
ASTM A490 TYPE1 0.30-0.48 0.040 0.04
JIS G4303 SUS310S Max 0.08 Max 1.50 Max 2.00 0.045 0.03 19.0-22.0 24.0-26.0
JIS G4105 SCM 435 0.33-0.38 0.15-0.35 0.60-0.85 0.030 0.03 0.90-1.20 0.15-0.30
JIS G4105 SCM 440 0.38-0.43 0.15-0.35 0.60-0.85 0.030 0.03 0.90-1.20 0.15-0.30
JIS G4107 SNB 5 Min 0.10 Max 1.00 Max 1.00 0.040 0.03 4.00-6.00 0.40-0.65
JIS G4107 SNB 7 0.38-0.48 0.20-0.35 0.75-1.00 0.040 0.04 0.80-1.10 0.15-0.25
JIS G4107 SNB 16 0.36-0.44 0.15-0.35 0.45-0.70 0.040 0.04 0.80-1.15 0.50-0.65
JIS G4051 S45C 0.42-0.48 Max 0.40 0.60-0.90 0.040 0.035
ASTM A194 Gr 2H Min 0.40 Max 0.40 Max 1.00 0.040 0.05
ASTM A194 Gr 2HM Min 0.40 0.15-0.35 Max 1.00 0.040 0.05
ASTM A194 Gr 7M 0.37-0.49 0.15-0.35 0.65-1.10 0.040 0.04 0.75-1.20 0.15-0.25
ASTM A194 Gr 4 0.40-0.50 0.15-0.35 0.70-0.90 0.035 0.04 0.20-0.30
ASTM A194 Gr 7 0.37-0.49 0.15-035 0.65-1.10 0.040 0.04 0.75-1.20 0.15-0.25
ASTM A194 Gr 8 Max 0.06 Max 1.00 Max 2.00 0.045 0.03 8.00-10.5 18.0-20.0
ASTM A194 Gr 8M Max 0.08 Max 1.00 Max 2.00 0.045 0.03 10.0-14.0 16.0-18.0 2.00-3.00
ASTM A563 Gr A.B.C Max 0.55 0.012 0.15
ASTM A563 Gr Gr D Max 0.55 Min 0.30 0.040 0.05
ASTM A563 gR Gr DH 0.20-0.55 Min 0.60 0.040 0.05
Mechanical Requirements
Specification Grade Diameter inch (mm) Tesile Strength Min Yiled Strength Min E.L % Min R.A % Min Haedness Tempering Temp”F (“c) Min
HB H.B H.C
A193 Gr B7 2½ and under 125,000psi 100,000psi 16 50 1,100(593)
Over 2½ to 4 115,000psi 95,000psi 16 50 1,100(593)
A193 Gr B7M 2½ and under 105,000psi 80,000psi 18 50 200-235 93-99 1,150(620)
A193 Gr B16 2½ and under 125,000psi 105,000psi 18 50 253-319 25-34 1,200(650)
Over 2½ to 4 110,000psi 95,000psi 17 45 353-319 25-34 1,200(650)
A193GrB8.B8M All diameters 75,000psi 30,000psi 30 50 Max 223 Max 96
A193 Gr B6 Up to 4 110,000psi 85,000psi 15 50 1,100(593)
A320 Gr L7 2½ and under 125,000psi 105,000psi 16 50
A320 Gr L7M 2½ and under 100,000psi 80,000psi 18 50 Max 235 Max 99 1,150(620)
A320GrB8.B8M All diameters 75,000psi 30,000psi 35 50 Max 223 Max 96
A325 ½ to 1 120,000psi 92,000psi 248-331 24-35 800(427)
1⅛ to 1½ 105,000psi 81,000psi 14 35 223-293 19-31 800(427)
A354 Gr BC ¼ to 2½ 125,000psi 109,000psi 16 50 255-331 26-36 800(427)
Over 1 to 1½ 115,000psi 99,000psi 16 45 235-311 22-33 800(427)
A354 Gr BD ¼ to 2½ 150,000psi 130,000psi 14 40 311-363 33-39 800(427)
Over 1 to 1½ 140,000psi 115,000psi 14 40 293-363 31-39 800(427)
A449 ¼ to 1 120,000psi 92,000psi 14 35 255-321 25-34 800(427)
Over 1 to1½ 105,000psi 81,000psi 14 35 223-285 19-30 800(427)
Over 1½ to 3 90,000psi 58,000psi 14 35 183-235 800(427)
A490 ½ to 1½ 150-170ksi 130,000ksi 14 40 311-352 33-38 800(427)
JIS SUS 310S 53 kgf/㎟ 21kgf/㎟ 40 50 Max 187 Max 90
JIS SCM 435 95kgf/㎟ 80kgf/㎟ 15 50 269-331 29-35 (530-630)
JIS SCM 440 100kgf/㎟ 85kgf/㎟ 12 45 285-352 29-39 (530-630)
JIS SNB 5 70kgf/㎟ 56kgf/㎟ 16 50 (595)
JIS SNB 7 Up to 63(mm) 88kgf/㎟ 74kgf/㎟ 16 50 (595)
Over(63) to (100) 82kgf/㎟ 67kgf/㎟ 16 50 (595)
JIS SNB 16 Up to 63(mm) 88kgf/㎟ 74kgf/㎟ 18 50 (650)
Over (63) to (100) 77kgf/㎟ 67kgf/㎟ 17 50 (650)
JIS S45C 70kgf/㎟ 50kgf/㎟ 17 45 201-269 14.5-27 (550-650)
A194 Gr 2 159-352 Min 84 1,000(538)
A194 Gr 2H To 1½ 248-352 24-38 850(455)
Over 1½ 212-352 Min 95 Max 38 850(455)
159-237 Max 22 1,150
228-271 20-28 1,100
159-237 Max 22 1,100
248-352 24-38 1,100
126-300 60-105
A563 Gr A ¼ to 4 116-302 Min 68 Max 32
A563 Gr B ¼ to 1½ 121-302 Min 69 Max 32
A563 Gr C ¼ to 4 143-352 Min 78 Max 38 800(427)
A563 Gr D ¼ to 4 159-352 Min 84 Max 38 800(427)
A563 Gr DH ¼ to 4 248-352 24-38 800(427)

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