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BackHomeHardware, Seals, & ConsumablesHardwareFastenersBolts & Screws8T-8911: 5/16''-18 x 2'' Hex Head Bolt
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Hardware, Seals, & ConsumablesHardwareFastenersBolts & Screws
8T-8911: 5/16''-18 x 2'' Hex Head Bolt
8T-8911: 5/16''-18 x 2'' Hex Head Bolt
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8T-8911: 5/16''-18 x 2'' Hex Head Bolt
8T-8911: 5/16''-18 x 2'' Hex Head Bolt
8T-8911: 5/16''-18 x 2'' Hex Head Bolt
8T-8911: 5/16''-18 x 2'' Hex Head Bolt
8T-8911: 5/16''-18 x 2'' Hex Head Bolt

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Brand: Cat

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Warranty Information
Warranty Information

Generally, warranty for parts purchased on Parts.Cat.Com is 12 months from the invoice date as defined in the Caterpillar Limited Warranty. Parts Warranty covers defects in material and workmanship throughout the Warranty period once it has been installed. For complete Warranty detail contact your local Cat Dealer.

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Return Policy
Return Policy Information
Unless otherwise noted by a non-returnable part
icon, most parts can be returned to your authorized Cat® dealer under their return policy.

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Warranty Information
Warranty Information

Generally, warranty for parts purchased on Parts.Cat.Com is 12 months from the invoice date as defined in the Caterpillar Limited Warranty. Parts Warranty covers defects in material and workmanship throughout the Warranty period once it has been installed. For complete Warranty detail contact your local Cat Dealer.

Need More Help? Contact Us

Find a DealerEmail
Return Policy
Return Policy Information
Unless otherwise noted by a non-returnable part
icon, most parts can be returned to your authorized Cat® dealer under their return policy.

Need More Help? Contact Us

Find a DealerEmail
Parts diagram for 8T-8911
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Description for part number 8T-8911

Cat bolts and matching hardened washers and nuts form a matched system which produces consistently high clamp loads

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Warning:This product can expose you to chemicals including Lead and lead compounds, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Specifications for part number 8T-8911

Units of Measure

USMetric

Bolt Length (in): 2

Bolt Length (mm): 50.8

Bolt Type: Hex Head

Coating: Zinc Flake

Grip Length (in): 1.125

Material: STEEL,Carbon Steel,Alloy Zinc

Grip Length (mm): 28.58

Material Description: SAE J429 Grade 8. Head Marking - 6 radial lines (150 ksi Ultimate Tensile Strength)

Thread Size (in - TPI) (in): 5/16-18

Hand of Thread: RH

Class or Grade: SAE J429 Grade 8 (150 ksi)

Locking Feature: None

Thread Size (dia x pitch) (mm): 5/16x18

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Compatible Models for part number 8T-8911

PUMPER

SCT673

UNDERGROUND ART TRUCK

AE40 AD45B AD55 AD30 AD45 AD40

GENERATOR

SR4

FELLING HEAD

HF201 HF221

POWER MODULE

3516C

INTEGRATED TOOLCARRIER

IT18B IT28 IT28B IT18

LOAD HAUL DUMP

R1600G R2900G R1600 R1700G R1300 R2900

MOTOR GRADER

160H NA 160H ES 12H NA 12H ES 140H NA 140H ES 143H

BACKHOE

931 D3

WHEEL SKIDDER

530B

TRACK-TYPE TRACTOR

D6H XL D6H XR D7H D8N D9R D3B D10N D4H D5N D5H D6N D6H

ASPHALT PAVER

AP-800 AP-800B AP-1050

MARINE ENGINE

C18 C15 3406B

PIPELAYER

561N

STABILIZER MIXER

SM-350

MINING EXCAVATOR

5110B

EXCAVATOR

235 385B 245 245B

VIBRATORY COMPACTOR

CS-431C CP-533C CS-563 CP-433C CP-563 CS-533C CB-614 CB-434

GENERATOR SET

G3520 CG137-12 G3516H G3520B

WHEEL TRACTOR

633E II 623G 623F 657E 621F 621G 613C II 627G 627F 615C II 631E 631G 637G 637E

RECLAIMER MIXER

RM-350

PETROLEUM TRANSMISSION

TH55-E70 TH48-E70 TH55FT-E90

SOIL COMPACTOR

825G 825C 815F

COLD PLANER

PR-1000C PR-1000 PR-450 PM-565

WHEEL DOZER

824G 824C

LANDFILL COMPACTOR

826C 826G 816F

TELEHANDLER

TH255C

WHEEL LOADER

960F 950B/950E 950E 950F 994 G926 916 936E 988B G916 926 980C 980F 980G 936 926E 966D 966F 966E G936 970F 950F II

ROAD RECLAIMER

RR-250

SOIL STABILIZER

SS-250

CHALLENGER

65B 65

GEN SET ENGINE

3406C 3306 3304 3406B 3412 G3520 3412C 3508 3304B 3512 3516

ARTICULATED TRUCK

D250E D25D D30D D300E D300E II

RIPPER

7

ENGINE - INDUSTRIAL

3406B

INDUSTRIAL ENGINE

3304 3306 3412 D333C 3406C 3512 3516 3508 D330C

WHEEL SCRAPER

637E 627G 621F 657E

TRUCK

775E 793B 789B 69D 773E 769D 785B

ASPHALT SCREED

AS2301 AS2251 10 FT

QUARRY TRUCK

771D

TRACTOR

784B

GAS ENGINE

G3520B

BULLDOZER

7SU 7S 7S LGP 3S 3P

View More
DiagramDescriptionSpecificationsCompatible Models
Parts diagram for 8T-8911
View Detailed Parts Diagrams
Add Your Equipment
Description for part number 8T-8911

Cat bolts and matching hardened washers and nuts form a matched system which produces consistently high clamp loads

View More
Warning:This product can expose you to chemicals including Lead and lead compounds, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Specifications for part number 8T-8911

Units of Measure

USMetric

Bolt Length (in): 2

Bolt Length (mm): 50.8

Bolt Type: Hex Head

Coating: Zinc Flake

Grip Length (in): 1.125

Material: STEEL,Carbon Steel,Alloy Zinc

Grip Length (mm): 28.58

Material Description: SAE J429 Grade 8. Head Marking - 6 radial lines (150 ksi Ultimate Tensile Strength)

Thread Size (in - TPI) (in): 5/16-18

Hand of Thread: RH

Class or Grade: SAE J429 Grade 8 (150 ksi)

Locking Feature: None

Thread Size (dia x pitch) (mm): 5/16x18

View More
Compatible Models for part number 8T-8911

PUMPER

SCT673

UNDERGROUND ART TRUCK

AE40 AD45B AD55 AD30 AD45 AD40

GENERATOR

SR4

FELLING HEAD

HF201 HF221

POWER MODULE

3516C

INTEGRATED TOOLCARRIER

IT18B IT28 IT28B IT18

LOAD HAUL DUMP

R1600G R2900G R1600 R1700G R1300 R2900

MOTOR GRADER

160H NA 160H ES 12H NA 12H ES 140H NA 140H ES 143H

BACKHOE

931 D3

WHEEL SKIDDER

530B

TRACK-TYPE TRACTOR

D6H XL D6H XR D7H D8N D9R D3B D10N D4H D5N D5H D6N D6H

ASPHALT PAVER

AP-800 AP-800B AP-1050

MARINE ENGINE

C18 C15 3406B

PIPELAYER

561N

STABILIZER MIXER

SM-350

MINING EXCAVATOR

5110B

EXCAVATOR

235 385B 245 245B

VIBRATORY COMPACTOR

CS-431C CP-533C CS-563 CP-433C CP-563 CS-533C CB-614 CB-434

GENERATOR SET

G3520 CG137-12 G3516H G3520B

WHEEL TRACTOR

633E II 623G 623F 657E 621F 621G 613C II 627G 627F 615C II 631E 631G 637G 637E

RECLAIMER MIXER

RM-350

PETROLEUM TRANSMISSION

TH55-E70 TH48-E70 TH55FT-E90

SOIL COMPACTOR

825G 825C 815F

COLD PLANER

PR-1000C PR-1000 PR-450 PM-565

WHEEL DOZER

824G 824C

LANDFILL COMPACTOR

826C 826G 816F

TELEHANDLER

TH255C

WHEEL LOADER

960F 950B/950E 950E 950F 994 G926 916 936E 988B G916 926 980C 980F 980G 936 926E 966D 966F 966E G936 970F 950F II

ROAD RECLAIMER

RR-250

SOIL STABILIZER

SS-250

CHALLENGER

65B 65

GEN SET ENGINE

3406C 3306 3304 3406B 3412 G3520 3412C 3508 3304B 3512 3516

ARTICULATED TRUCK

D250E D25D D30D D300E D300E II

RIPPER

7

ENGINE - INDUSTRIAL

3406B

INDUSTRIAL ENGINE

3304 3306 3412 D333C 3406C 3512 3516 3508 D330C

WHEEL SCRAPER

637E 627G 621F 657E

TRUCK

775E 793B 789B 69D 773E 769D 785B

ASPHALT SCREED

AS2301 AS2251 10 FT

QUARRY TRUCK

771D

TRACTOR

784B

GAS ENGINE

G3520B

BULLDOZER

7SU 7S 7S LGP 3S 3P

View More
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KeyKey
Factory Fit

This part is designed to fit your Cat equipment based on the manufacturer’s specifications.

Any changes to the manufacturer’s configuration might result in the product not fitting your Cat equipment. Please consult your Cat Dealer before purchasing to ensure that this part is appropriate for your Cat equipment in its current condition and assumed configuration. This indicator cannot guarantee compatibility for all parts.

Remanufactured

Non-Returnable

Kit

Replaced

Remanufactured

Non-Returnable

Kit

Replaced

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